> ## Content Index > Fetch the complete content index at: https://willtosip.com/llms.txt > Use this file to discover other available public pages before exploring further. # Best Transition Sippy Cup When Bottles Stop Working - URL: https://willtosip.com/best-transition-sippy-cup/ - Published: 2026-09-07T06:54:03.000Z - Updated: 2026-09-07T09:49:28.000Z - Description: Six bottle-to-cup picks compared on capacity, spout style and handle design, with a named winner and the exact conditions that make each of the other five the better buy. - Author: Jody Sargent - Tags: Kitchen & Dining, Baby Feeding, Toddler Gear The best transition sippy cup here is the NUK First Choice Large Learner Cup 2.0, a 10 oz soft-straw cup that arrives as a 2-pack with removable anti-slip handles. If your baby tips the cup sideways and gives up, Dr. Brown's Milestones Baby's First Straw Cup and its weighted silicone straw is the better buy at 9 oz. This category isn't for every family, though. If your child is already drinking steadily from an open cup at the table, you can skip the whole aisle and keep going. And if you're weaning a newborn off a bottle before six months, none of these six is designed for that stage. In this guide 1. [Best transition sippy cup at a glance](#best-transition-sippy-cup-at-a-glance) 2. [How I narrowed the field down to six](#how-i-narrowed-the-field-down-to-six) 3. [1\. NUK First Choice Large Learner Cup 2.0 — Best overall](#1-nuk-first-choice-large-learner-cup-20-%E2%80%94-best-overall) 4. [2\. Dr. Brown's Milestones Baby's First Straw Cup — Best budget pick](#2-dr-browns-milestones-babys-first-straw-cup-%E2%80%94-best-budget-pick) 5. [3\. Munchkin® Miracle® 360 Trainer Sippy Cup with Handles — Best premium](#3-munchkin%C2%AE-miracle%C2%AE-360-trainer-sippy-cup-with-handles-%E2%80%94-best-premium) 6. [4\. NUK Active Sippy Cup — Most versatile](#4-nuk-active-sippy-cup-%E2%80%94-most-versatile) 7. [5\. Munchkin Gentle Transition Baby Sippy Cup — Best upgrade](#5-munchkin-gentle-transition-baby-sippy-cup-%E2%80%94-best-upgrade) 8. [6\. Dr. Brown's Wide-Neck Sippy Spout Bottle with Handles — Best minimal setup](#6-dr-browns-wide-neck-sippy-spout-bottle-with-handles-%E2%80%94-best-minimal-setup) 9. [Straw, soft spout or 360 rim: which suits your baby?](#straw-soft-spout-or-360-rim-which-suits-your-baby) 10. [Does a transition sippy cup actually stop spills?](#does-a-transition-sippy-cup-actually-stop-spills) 11. [What handles, capacity and weight really tell you](#what-handles-capacity-and-weight-really-tell-you) 12. [When a different pick wins](#when-a-different-pick-wins) 13. [The verdict](#the-verdict) 14. [FAQ](#faq) ## Best transition sippy cup at a glance | Pick | Capacity | Drinking style | Price | | ------------------------------------------------------------------------------------------------------------------------------------ | -------- | -------------------------------------- | -------------------------------------------------------------------- | | **Best overall**[NUK First Choice Large Learner Cup 2.0](https://www.amazon.com/dp/B0GBZ1J53N?tag=willtosip-20) | 10 oz | Soft straw2-pack | [Check Price](https://www.amazon.com/dp/B0GBZ1J53N?tag=willtosip-20) | | **Best budget pick**[Dr. Brown's Milestones Baby's First Straw Cup](https://www.amazon.com/dp/B0C54CYDS3?tag=willtosip-20) | 9 oz | Weighted silicone straw1-pack | [Check Price](https://www.amazon.com/dp/B0C54CYDS3?tag=willtosip-20) | | **Best premium**[Munchkin Miracle 360 Trainer Sippy Cup with Handles](https://www.amazon.com/dp/B00MRZIFD0?tag=willtosip-20) | 7 oz | Spoutless 360 rim | [Check Price](https://www.amazon.com/dp/B00MRZIFD0?tag=willtosip-20) | | **Most versatile**[NUK Active Sippy Cup](https://www.amazon.com/dp/B0F3LN98NQ?tag=willtosip-20) | 10 oz | Soft spout2-pack, clip | [Check Price](https://www.amazon.com/dp/B0F3LN98NQ?tag=willtosip-20) | | **Best upgrade**[Munchkin Gentle Transition Baby Sippy Cup](https://www.amazon.com/dp/B0898QVRXS?tag=willtosip-20) | 10 oz | Accordion silicone spout | [Check Price](https://www.amazon.com/dp/B0898QVRXS?tag=willtosip-20) | | **Best minimal setup**[Dr. Brown's Wide-Neck Sippy Spout Bottle with Handles](https://www.amazon.com/dp/B09ZK8Y6SB?tag=willtosip-20) | 9 oz | Silicone sippy spout on a bottle2-pack | [Check Price](https://www.amazon.com/dp/B09ZK8Y6SB?tag=willtosip-20) | ## How I narrowed the field down to six I used three criteria, weighted in this order. 1. **Does the listing describe an actual bottle-to-cup step?** Five of the six say so in their own words. Dr. Brown's Wide-Neck Sippy Spout Bottle is the clearest case: it swaps a nipple for a silicone spout on a bottle you already own. 2. **Capacity, because it decides how long the cup stays useful.** The spread here is 7 oz to 10 oz. That's not a rounding difference. It's the gap between one refill and three. 3. **Handles and grip, because a baby who can't hold the cup won't drink from it.** Every pick in this set publishes handles, and four of the six state that the handles come off. Weighting it that way pushed capacity ahead of drinking style, which sounds backwards until you watch a baby drain 7 oz before lunch. Style matters, but it's the second question, not the first. I also kept cleaning in view: every pick here is described as BPA-free, and the Dr. Brown's Wide-Neck spout bottle specifies top-rack dishwasher and sterilizer safe. What I cut: anything without published dimensions or weight, since a cup you can't picture in a diaper bag pocket is a guess. Five of the six list dimensions or weight, and the NUK Active gives both at 8.5 x 7.5 x 7.5 in and 5.71 oz. One honest note on the search itself. Amazon's results for "transition" pull in cups from 6 months up through toddler drinking, and one of these six sits in the bottle aisle rather than the cup aisle. So treat "transition" as your judgment call about your baby's stage, not as a label the products all meet the same way. ## 1\. NUK First Choice Large Learner Cup 2.0 — Best overall **A 10 oz soft-straw cup that arrives in pairs with handles you can remove, which covers the widest stretch of the weaning window in this set.** [![NUK First Choice Large Learner Cup 2.0 in pink bunny print with removable handles — the 10 oz two-pack covers a full day without a mid-morning wash](https://m.media-amazon.com/images/I/41aciKtL+HL._SL500_.jpg)](https://www.amazon.com/dp/B0GBZ1J53N?tag=willtosip-20) **Best for:** a baby around 8 months who needs two cups in rotation **Skip it if:** your child rejects anything that isn't a straw Two things separate this from the rest of the six. It's a 2-pack, and it holds 10 oz. Only two other picks match that capacity, and only two others come in pairs. That combination is why it leads. One cup goes in the dishwasher while the other goes on the tray, and neither runs dry at 7 oz. NUK lists it for ages 8m+ and describes the spout as soft and gentle on teeth and gums. The handles are anti-slip and removable as your baby's grip improves, so the cup keeps working after the handles stop being useful. The whole thing weighs 5.92 oz, the heaviest of the three lightest picks here, which is a fair trade for the extra volume. It's also the best transition sippy cup for households that hate hand-washing at 6am, purely because of the spare. The trade-off against Dr. Brown's straw cup is the straw itself: NUK's isn't described as weighted, so a tipped cup may leave your baby sucking air. And the pink bunny print is the only colourway listed. **Pros:** - 10 oz, tied for the largest capacity here - Ships as a 2-pack for rotation - Removable anti-slip handles - Soft straw described as gentle on gums - Dishwasher-safe and BPA-free **Cons:** - Straw isn't described as weighted, unlike the Dr. Brown's straw cup - Only one colourway listed, so no choice of print - No published dimensions to check against a cup holder - Sits mid-range on price despite entry-priced rivals in the set [Check Price on Amazon](https://www.amazon.com/dp/B0GBZ1J53N?tag=willtosip-20) ## 2\. Dr. Brown's Milestones Baby's First Straw Cup — Best budget pick **The cheapest of the six and the only one with a weighted straw, which is the single feature that fixes the most common early failure.** [![Dr. Brown's Milestones straw cup in dark blue with side handles and sliding lid — the weighted straw is what lets a tipped cup still deliver a drink](https://m.media-amazon.com/images/I/31K0c+Xo-gL._SL500_.jpg)](https://www.amazon.com/dp/B0C54CYDS3?tag=willtosip-20) **Best for:** a baby who tips the cup at every angle and still wants a drink **Skip it if:** you need two cups from one purchase Here's the trick with straw cups: babies don't hold them upright. Dr. Brown's answer is a soft silicone weighted straw that, the brand says, moves with the liquid so your baby can tip and sip in any direction. No other pick in this set publishes that. If your baby has already tried a straw cup and quit halfway through, this is the one to try next. It holds 9 oz, one ounce short of the largest here, and weighs 4.66 oz. That's tied for the lightest in the group. Dimensions are 3.15 x 8.19 x 8.19 in. Side-grip handles are removable, the cup body is contoured, and there are measuring marks so you can see how much went down. The sliding lid stores the straw when it's not in use, which Dr. Brown's frames as travel and hygiene. It's also the fastest-selling pick of the six. The catch is the count: one cup, so there's no spare when this one's in the sink. And a sliding lid is one more mechanism to scrub. **Pros:** - Cheapest of the six - Weighted straw, unique in this set - Removable side-grip handles - Sliding lid covers the straw for transport - Measuring marks on the cup body **Cons:** - 1-pack only, so no rotation without buying two - 9 oz, an ounce under the largest here - Sliding lid adds a part to clean - Only one colour listed [Check Price on Amazon](https://www.amazon.com/dp/B0C54CYDS3?tag=willtosip-20) ## 3\. Munchkin® Miracle® 360 Trainer Sippy Cup with Handles — Best premium **The only spoutless pick here, so it teaches the rim-drinking motion your child will use at every table for the rest of their life.** [![Munchkin Miracle 360 trainer cups in blue and green with handles — the spoutless rim means your child practises the open-cup motion, not a bottle motion](https://m.media-amazon.com/images/I/31uiSO8AEfL._SL500_.jpg)](https://www.amazon.com/dp/B00MRZIFD0?tag=willtosip-20) **Best for:** parents who want the spoutless, open-cup drinking motion early **Skip it if:** 7 oz is too small for your child's daytime drinking Every other cup in this roundup gives your child something to put in their mouth. This one doesn't. Munchkin's 360 edge lets a child sip from anywhere around the rim, and the brand says the design supports normal mouth muscle development by having kids practise drinking like a regular cup. The lid seals automatically when drinking stops. That's a genuinely different bet. A spout is easier to learn and harder to unlearn. A rim is harder to learn and needs no unlearning at all. Munchkin also points out there are no extra valves or parts, which matters more than it sounds when you're washing cups twice a day. The numbers are where it loses ground. Capacity is 7 oz, the smallest here by 2 oz, and it's the most expensive pick in this set. The specifications list a count of 1 while the listing title says 2 Pack, so confirm what ships before you order. It weighs 0.62 lb and measures 8.5 x 3.5 x 3.5 in, which is the slimmest footprint of the picks that publish dimensions. **Pros:** - Only spoutless, 360-rim design in this set - No valves or extra parts to wash - Seals automatically when your child stops drinking - Slimmest footprint at 3.5 in wide - Easy-grip handles listed for 6 months and up **Cons:** - 7 oz, the smallest capacity of the six - Most expensive pick here - Count field and title disagree on how many cups ship - Rim drinking takes longer to learn than a spout [Check Price on Amazon](https://www.amazon.com/dp/B00MRZIFD0?tag=willtosip-20) ## 4\. NUK Active Sippy Cup — Most versatile **A 10 oz soft-spout 2-pack with a carrying clip and cross-compatible parts, built for the days you're not at home.** [![NUK Active sippy cup two-pack in Disney Cars print with carrying clip — the clip and 5.71 oz body are what make this the travel pick](https://m.media-amazon.com/images/I/41s1erIWwLL._SL500_.jpg)](https://www.amazon.com/dp/B0F3LN98NQ?tag=willtosip-20) **Best for:** diaper bags, strollers and travel days **Skip it if:** you don't want a licensed character on the table Two features here point straight at leaving the house. NUK describes the cup as ultra-lightweight with a carrying clip, and at 5.71 oz it's the lightest of the multi-packs in this set. Clip it to a bag and you're not fishing around a stroller basket for a cup that rolled. The second is quieter but more useful over months: NUK states it's compatible with its Learner Straw Cups for replacements. A soft spout is the part that wears out first, and a cup whose parts cross over to another line in the same range is a cup you can keep. That's the argument for calling this the most adaptable transition sippy cup of the six. Capacity is 10 oz, tied for the largest. Dimensions are 8.5 x 7.5 x 7.5 in for the pack, the model is SAP\_2221699, and it was released in 2025, making it the newest listing in this group. NUK lists ages 8m+ and calls the spout spill-proof and gentle on gums. The trade-offs: no handles are mentioned in the features, which is a real gap for a baby still learning to hold a cup, and the only colourway is the Disney's Cars print. **Pros:** - 10 oz, tied for the largest capacity - Carrying clip for bags and strollers - Lightest multi-pack here at 5.71 oz - Parts compatible with NUK Learner Straw Cups - Newest listing in this set, released 2025 **Cons:** - No handles described, unlike five other picks - Single licensed print, no plain option - Sells slower than either straw cup here - Soft spout is a wear part you'll replace [Check Price on Amazon](https://www.amazon.com/dp/B0F3LN98NQ?tag=willtosip-20) ## 5\. Munchkin Gentle Transition Baby Sippy Cup — Best upgrade **A 10 oz cup with an accordion-style silicone spout that flexes as your baby moves, which is the closest thing here to a bottle nipple.** [![Munchkin Gentle Transition cup in blue with accordion silicone spout and measurement markings — the flexible spout is the step between nipple and hard spout](https://m.media-amazon.com/images/I/31mlgEnnayL._SL500_.jpg)](https://www.amazon.com/dp/B0898QVRXS?tag=willtosip-20) **Best for:** a baby who still wants something soft and bottle-like to bite **Skip it if:** you want a spare cup included Some babies refuse a firm spout outright. Munchkin's answer is an ultra-flexible accordion silicone spout that, the brand says, moves with your baby and is gentle on gums. Of the spouted picks here, this is the one that gives most. If a hard spout has already been rejected in your house, this is the sensible next attempt rather than jumping to a straw. It holds 10 oz, tied for the biggest here, and weighs 4.66 oz, tied for the lightest. That's the best weight-to-capacity ratio of the six. Dimensions are 3 x 9.5 x 4.65 in, the model is 21334, and it was released in 2020\. The cup body is see-through with measurement markings, so you can check intake without opening anything. Handles are removable and anti-slip, and Munchkin describes the materials as easy to clean, BPA-free and able to take drops. Two honest marks against it. It's a 1-pack, so no spare. And it's the slowest seller of the picks in this set apart from the Dr. Brown's spout bottle, so it doesn't have the momentum of the two straw cups. **Pros:** - 10 oz, tied for the largest capacity - Most flexible spout described in this set - Best capacity-per-ounce at 4.66 oz - See-through body with measurement markings - Removable anti-slip handles **Cons:** - 1-pack, no spare cup included - Accordion spout has folds that need real scrubbing - Slow seller compared with the straw cups here - One colour only [Check Price on Amazon](https://www.amazon.com/dp/B0898QVRXS?tag=willtosip-20) ## 6\. Dr. Brown's Wide-Neck Sippy Spout Bottle with Handles — Best minimal setup **A silicone sippy spout and silicone handles for the wide-neck bottle your baby already accepts, so nothing about the bottle changes except the top.** [![Dr. Brown's wide-neck sippy spout bottles in ecru and light pink with silicone handles — swapping only the spout keeps the familiar bottle your baby already accepts](https://m.media-amazon.com/images/I/3117XXKkW-L._SL500_.jpg)](https://www.amazon.com/dp/B09ZK8Y6SB?tag=willtosip-20) **Best for:** families already using Dr. Brown's Options+ Wide-Neck bottles **Skip it if:** you don't own that bottle system This is the outlier of the six, and it's listed under bottles rather than cups for a reason. Instead of introducing a new object, it changes one part of a familiar one. Dr. Brown's says the silicone sippy spout fits any Options+ Wide-Neck bottle once the vent system is removed, and the 100% silicone handles are removable and fit most other wide-neck bottles. If your baby is attached to their bottle, that's the gentlest path in this roundup. Nothing about the shape, the weight or the grip changes. Only the thing in their mouth does. It ships as a 2-pack at 9 oz each, in ecru and light pink, weighing 0.76 lb for the pair, and all parts are described as dishwasher top-rack and sterilizer safe. The costs are clear. It sits at the higher end of this set on price, and it's the slowest seller of the six. It also assumes you own compatible bottles, so a family starting from nothing pays for a bottle system on top. And it's the only pick here with no published dimensions, which makes cup-holder fit a guess. **Pros:** - Works with bottles your baby already accepts - 2-pack at 9 oz each - 100% silicone handles, removable, fit most wide-neck bottles - Dishwasher top-rack and sterilizer safe - Two colours in one pack **Cons:** - Needs compatible Dr. Brown's Options+ Wide-Neck bottles - Slowest seller of the six - Higher price position with no capacity advantage - No published dimensions - Heaviest listed weight in this set at 0.76 lb [Check Price on Amazon](https://www.amazon.com/dp/B09ZK8Y6SB?tag=willtosip-20) ## Straw, soft spout or 360 rim: which suits your baby? Three drinking styles are on the table here, and they're not interchangeable steps on one ladder. They're different bets on what your baby will accept. - **Soft spout** is the easiest handoff from a nipple. The NUK Active and the Munchkin Gentle Transition both take this route, and Munchkin's accordion silicone spout is the most flexible described in this set. Easiest to learn, and the one your child eventually has to move on from. - **Straw** skips the biting motion entirely and builds the suck-and-sip skill your child uses with juice boxes and water bottles later. Both NUK's First Choice Large Learner Cup 2.0 and Dr. Brown's Milestones cup are straw designs, and only the Dr. Brown's straw is weighted. - **360 rim** is the Munchkin Miracle 360's approach: no spout, no straw, sip from anywhere on the edge. Munchkin frames it as practice for normal mouth muscle development. Hardest to learn, nothing to unlearn. - **Spout on a bottle** is the Dr. Brown's Wide-Neck route, which changes one part and leaves everything else alone. There's no universal answer, and anyone who tells you there is hasn't met a stubborn nine-month-old. What I'd do is start with whichever style is least like the thing your baby has already refused. If a firm spout was rejected, try the accordion spout or a straw. If a straw was ignored, the weighted straw is the specific fix. ## Does a transition sippy cup actually stop spills? Every pick here uses spill-proof or leak-proof language, and it's worth reading that carefully rather than trusting it flat. NUK calls the First Choice Large Learner Cup 2.0 spill and leak proof, and the Active cup's spout spill-proof. Munchkin describes the Gentle Transition as a leak-proof cup and says the Miracle 360 seals automatically when drinking is done. Dr. Brown's calls the Milestones straw cup's sliding lid spill-proof. Those are the manufacturers' claims about their own designs, not measured results, and no listing in this set publishes a test standard behind them. What the data does let you compare is mechanism, and mechanism is what decides real-world mess: - **The 360 rim seals on its own.** No valve to seat wrong, no straw sticking up. Fewest ways to fail. - **A sliding lid covers the straw.** Good in a bag, but only if someone slides it shut. - **An open straw is the leakiest arrangement in a tipped bag.** That applies to the NUK straw cup. - **A silicone spout on a bottle** leaks or doesn't based on how the collar is tightened. My read is that the honest promise in this category is "much less mess than a lidless cup", not "nothing ever comes out". Plan on wiping something. A cup that mostly holds together in a diaper bag is a win. ## What handles, capacity and weight really tell you Most guides to the best transition sippy cup lead with spout material. The specification that actually predicts whether the cup survives past week two is handle design, and capacity is the one that predicts whether you're still using it at 18 months. Handles first. Five of six picks describe handles, and four say they come off: NUK's First Choice, Munchkin's Gentle Transition, Dr. Brown's Milestones cup and Dr. Brown's silicone handles. Removable matters because handles are training wheels. Keep them while the grip is weak, drop them when it isn't, and the cup keeps its job instead of becoming babyish. Dr. Brown's goes furthest, stating its 100% silicone handles fit most other wide-neck bottles. Capacity next. The spread runs 7 oz to 10 oz, and the 3 oz gap is one refill per drink. Three picks hit 10 oz. Two land at 9 oz. Only the Miracle 360 is 7 oz, and if your child drains a cup at every meal, that's the number that decides it. Weight is the tiebreaker. The Munchkin Gentle Transition and Dr. Brown's Milestones cup both list 4.66 oz, the lightest here. NUK's First Choice is 5.92 oz and the Active 5.71 oz. Dr. Brown's spout bottle pair is the heaviest listed at 0.76 lb. A lighter cup is a cup a small arm can lift without help, which is the whole point of this stage. ## When a different pick wins Three thresholds flip my recommendation. 1. **Your baby has already refused a spout.** Then the winner's straw or Dr. Brown's weighted straw is the move, not another spout design. 2. **Your child drinks more than 7 oz in a sitting.** The Miracle 360 becomes a refill machine. Choose one of the three 10 oz picks instead. 3. **You already own Dr. Brown's Options+ Wide-Neck bottles.** The spout bottle turns a purchase into a part swap, and familiarity beats novelty at this age. Two smaller flips. If travel is most of your use, the NUK Active's carrying clip and 5.71 oz body earn their keep. And if you're buying a first cup with no attachment to any brand, the cheapest pick here happens to be the one with the unique weighted straw, which is a rare place for cost and capability to line up. ## The verdict If you want one transition sippy cup that handles the widest range of days, buy the NUK First Choice Large Learner Cup 2.0\. Ten ounces, a soft straw, removable anti-slip handles, and two cups in the box so there's always a clean one. That combination of capacity and count is what no other pick in this set matches. If your baby has already quit on a straw cup because it stopped working when tipped, buy Dr. Brown's Milestones Baby's First Straw Cup. Its weighted silicone straw follows the liquid, so a sideways cup still delivers a drink, and it's the cheapest of the six. You lose the spare cup and one ounce of capacity. Those are small prices for solving the specific problem. The cutoff between the two is straightforward: if your baby holds a cup roughly upright, NUK's 2-pack is the better value. If they don't, and they've already given up on a straw once, the weighted straw is worth buying alone. The runner-up's exact advantage over the winner is that weighted straw. NUK's straw is described as soft, not weighted, and that single difference is what decides which of these two goes in your cart. ## FAQ ### Is a transition sippy cup worth buying at all? A transition sippy cup is worth buying if your child can't yet manage an open cup without soaking themselves. It's a bridge, not a destination. The value is in the months between bottle and table cup, roughly from 6 to 8 months up. If your child already drinks steadily from an open cup, skip it and save the money. ### What's the best value transition sippy cup in this group? The best value here is Dr. Brown's Milestones Baby's First Straw Cup. It's the cheapest of the six and it's the only one with a weighted silicone straw, a feature none of the more expensive picks publish. You get 9 oz, removable side handles, measuring marks and a sliding lid. The compromise is that it ships as a single cup, not a pair. ### Which capacity should I choose, 7 oz or 10 oz? Choose your capacity by how much your child drinks in one sitting. The Munchkin Miracle 360 is 7 oz, the smallest here, which suits smaller drinks and a slim 3.5 in footprint. Three picks reach 10 oz: both NUK cups and the Munchkin Gentle Transition. If refilling mid-meal annoys you, go with 10 oz. ### NUK First Choice or Munchkin Miracle 360: which should I get? NUK First Choice or Munchkin Miracle 360 comes down to spout versus rim. NUK gives you 10 oz, a soft straw and two cups, so it's easier to learn and easier to live with. The Miracle 360 gives 7 oz, no spout at all, and practice at the rim-drinking motion your child needs long term. Easier now, or fewer habits to undo later. ### What mistake do parents make with a transition sippy cup? The most common mistake with a transition sippy cup is buying a second cup in the same style your baby just rejected. Style is the variable, not brand. If a firm spout failed, switch to an accordion silicone spout, a weighted straw or a 360 rim. Buying two spout cups back to back usually gets you two refused cups. Pick your next move by what your kitchen already looks like. If there's no cup in the cupboard yet, the NUK First Choice Large Learner Cup 2.0 is the sensible default, because 10 oz plus a spare means the cup adapts to your baby's pace instead of the reverse. If there's a rejected cup already in the sink, buy the opposite style rather than the same idea in a different colour. That single change is what usually ends the standoff, and it costs less than the third cup you'd otherwise buy in a month. *Last updated: October 1, 2026\. Product availability re-checked.* *This page contains affiliate links. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.*