# Sippy cups that don't leak Source: HiveTried, https://hivetried.com/baby/sippy-cup/doesnt-leak/ Category: Baby > Sippy and straw cup. Updated 2026-10-08. Based on 350 counted first-hand reports from Target shopper reviews, Apr 2017 to Sep 2026. **Question:** Which sippy cup doesn't leak? **Short answer:** OXO Tot Transitions Straw Cup has the best record for a cup that doesn't leak: 24 of 29 reviewers said it held up, though 38% of its reviews say it is hard to drink from. Munchkin Miracle 360 Cup follows at 29 of 38, and Dr. Brown's Milestones Baby's First Straw Cup has the weakest record here at 10 of 39. Every cup here has leak reports in its reviews, so none is a sure thing. **What stands out:** Not leaking can come at a price: 38% of OXO Tot Transitions Straw Cup reviews say toddlers find it hard to drink from, compared with 5% of Munchkin Miracle 360 Cup reviews. ## Ranking (parents who said whether it worked) | Rank | Product | Doesn't leak | Share | Amazon | |---|---|---|---|---| | 1 | OXO Tot Transitions Straw Cup | 24 of 29 | 83% | yes | | 2 | Munchkin Miracle 360 Cup | 29 of 38 | 76% | yes | | 3 | Munchkin Simple Clean Straw Cup | 22 of 39 | 56% | no | | 4 | Nuby No-Spill Cup | 16 of 28 | 57% | no | | 5 | Munchkin Cool Cat Stainless Steel Straw Cup | 21 of 40 | 53% | no | | 6 | Dr. Brown's Milestones Narrow Sippy Straw Bottle | 19 of 36 | 53% | no | | 7 | Dr. Brown's Milestones Baby's First Straw Cup | 10 of 39 | 26% | no | Ranked by the lower bound of a 90% Wilson confidence interval, so a product needs a high share and enough reports to rank high. An Amazon link is shown only when at least 60% say it works. ## Product notes ### 1. OXO Tot Transitions Straw Cup 24 of 29 said it didn't leak, and 35% call it easy to clean. The trade-off is sipping, with 38% saying it is hard to drink from. - Praised for: Easy to clean (35%), Easy for toddler to drink (18%), Durable (13%) - Complaints: Hard to drink from (38%), Too expensive (5%) - Reports counted: 40 ### 2. Munchkin Miracle 360 Cup 29 of 38 said it didn't leak, yet leaks still come up in 55% of its reviews. The brand's own site is more upbeat at 9 of 9, which we show but don't count, and 20% call it durable. - Praised for: Easy to clean (25%), Durable (20%), Easy for toddler to drink (15%) - Complaints: Hard to clean or mold (5%), Too expensive (5%), Hard to drink from (5%) - Reports counted: 40 ### 3. Munchkin Simple Clean Straw Cup Cleaning is the draw, with 55% calling it easy to clean and 50% saying it doesn't leak. 50% also report leaks and 8% say it broke. - Praised for: Easy to clean (55%), Easy for toddler to drink (23%), Good value (5%) - Complaints: Breaks (8%), Hard to clean or mold (5%) - Reports counted: 40 ### 4. Nuby No-Spill Cup Leaks split reviewers: 16 of 28 said it didn't leak, while 47% of reviews mention leaking. 17% say it is hard to drink from and 10% say it broke. - Praised for: Easy to clean (23%), Durable (13%), Easy for toddler to drink (13%) - Complaints: Hard to drink from (17%), Breaks (10%) - Reports counted: 30 ### 5. Munchkin Cool Cat Stainless Steel Straw Cup More reviewers weighed in on this cup than on any other here (40), and they split almost evenly: 21 of 40 said it didn't leak. 55% report leaks, 12% say it broke and 12% mention mold or trouble cleaning it. - Praised for: Easy to clean (18%), Durable (13%), Easy for toddler to drink (10%) - Complaints: Hard to clean or mold (13%), Breaks (13%), Hard to drink from (10%) - Reports counted: 40 ### 6. Dr. Brown's Milestones Narrow Sippy Straw Bottle Reviewers were evenly split, at 19 of 36. 30% say toddlers drink from it easily, but 48% report leaks. - Praised for: Easy for toddler to drink (30%), Easy to clean (13%), Durable (8%) - Complaints: Hard to drink from (13%), Hard to clean or mold (8%) - Reports counted: 40 ### 7. Dr. Brown's Milestones Baby's First Straw Cup Leaks are the story: 75% of reviews report them, and 29 of 39 reviewers said the cup leaked or spilled. 15% mention mold or trouble cleaning it and 8% say it has too many parts. - Praised for: Easy for toddler to drink (15%), Easy to clean (8%), Durable (5%) - Complaints: Hard to drink from (20%), Hard to clean or mold (15%), Too many parts (8%) - Reports counted: 40 ## Questions **Which sippy cup doesn't leak?** OXO Tot Transitions Straw Cup has the best record (24 of 29), followed by Munchkin Miracle 360 Cup (29 of 38) and Munchkin Simple Clean Straw Cup (22 of 39). Some reviews of every cup here report leaks, so none is a sure thing. **Is the Munchkin Miracle 360 Cup spill proof?** Often, according to reviewers: 29 of 38 said it didn't leak. Still, 55% of its reviews mention a leak, so expect some exceptions. **Is the OXO Tot Transitions Straw Cup hard to drink from?** Some toddlers struggle with it, as 38% of its reviews say it is hard to drink from. Reviewers praise it for not leaking, at 24 of 29. **Does the Dr. Brown's Milestones Baby's First Straw Cup leak?** Often, according to reviewers. It has the weakest record here at 10 of 39, and 75% of its reviews report leaks. ## Method HiveTried counts first-hand reports only, drops reviews written for free products, shows brand-site reviews without counting them, and never accepts payment for placement. Full method: https://hivetried.com/how-we-count/