--- title: "swim diapers size 3 — Niche Verdict: Skip it (48/100) | Amazon United States - Flapen" canonical_url: "https://flapen.com/amazon/research/us/clothing-shoes-jewelry/swim-diapers-size-3" last_updated: "2026-07-09T23:09:32.938Z" locale: en meta: description: "a small market ($687K/yr) — swim diapers size 3 doesn't clear our bar today." "og:description": "a small market ($687K/yr) — swim diapers size 3 doesn't clear our bar today." "og:title": "swim diapers size 3 — Niche Verdict: Skip it (48/100) | Amazon United States - Flapen" --- Back to Flapen home # **swim diapers size 3** **Skip it****48/100 ** a small market ($687K/yr) — swim diapers size 3 doesn't clear our bar today. **Market/yr** **$687K** **Growth (1y)** **+76.0%** **Products** **24** **Brands** **10** was 9 a year ago **Sellers** **15** **Price range** **$6.40–$29.41** **Returns** **2.1%** **Rating** **4.6★** **Skip it** Scored 48/100 across market size, growth, competition, quality gap, and returns. Market sizeGrowthCompetitionQuality gapReturns Market size **28** ×0.30 Growth **58** ×0.30 Competition **54** ×0.20 Quality gap **32** ×0.10 Returns **83** ×0.10 ## **Demand** Weekly Amazon search volume, last 102 weeks — +76.0% year over year. 12K6KBlack Friday '24Holiday '24Spike '25Prime Day '25Holiday '25Spike '26Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26 ## **Seasonality** Monthly demand index across the year — 1.00 is average. JFMAMJJASOND Peak months: May, Jun, Jul · busiest ÷ quietest = 9.4× ## **Competition** - MooMoo Baby42% - Hello Bello19% - ALVA15% - BIG ELEPHANT7% - MomEasier6% - EZ Moms5% - Other (4 brands)7% The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them. 10 brands and 15 sellers compete here. **Brands** **10 **▲rising was 9 a year ago **Sellers** **15** **Top 5 brand share** **87%** #ProductBrandPriceRatingReviewsClick shareTrend 1 ![Hello Bello Premium Swim Diapers I Affordable and Eco-Friendly Disposable Swim Dipes for Babies and Kids I Size Medium](https://m.media-amazon.com/images/I/41qvP4ETJ6L.jpg) [**Hello Bello Premium Swim Diapers I Affordable and Eco-Friendly Disposable Swim Dipes for Babies and Kids I Size Medium**](https://www.amazon.com/dp/B0966DJR57) Hello Bello$13.414.6★1,26016%▼falling 2 ![MooMoo Baby Reusable Swim Diapers 3 Pcs Waterproof Swimming Diapers for Baby Swim Lesson](https://m.media-amazon.com/images/I/416Q0ax6MrL.jpg) [**MooMoo Baby Reusable Swim Diapers 3 Pcs Waterproof Swimming Diapers for Baby Swim Lesson**](https://www.amazon.com/dp/B0D69XS3DF) MooMoo Baby$19.044.7★48311%▲rising 3 ![MooMoo Baby Reusable Swim Diapers 3 Pcs Waterproof Swimming Diapers for Baby Swim Lesson](https://m.media-amazon.com/images/I/416Q0ax6MrL.jpg) [**MooMoo Baby Reusable Swim Diapers 3 Pcs Waterproof Swimming Diapers for Baby Swim Lesson**](https://www.amazon.com/dp/B0D69Y45SB) MooMoo Baby$19.144.7★48310%▲rising 4 ![ALVABABY Swim Diapers 2pcs Reusable Baby Boy Swim Diaper 0-8 Months Adjustable Snap Washable Infant Toddler Swimming Diaper for Pool Beach & Swim Lessons Waterproof PUL Leak-Proof UPF 30+ Small Size](https://m.media-amazon.com/images/I/513Itm6EFvS.jpg) [**ALVABABY Swim Diapers 2pcs Reusable Baby Boy Swim Diaper 0-8 Months Adjustable Snap Washable Infant Toddler Swimming Diaper for Pool Beach & Swim Lessons Waterproof PUL Leak-Proof UPF 30+ Small Size**](https://www.amazon.com/dp/B01JCO56OO) ALVA$9.544.6★16,57810%▼falling 5 ![MooMoo Baby Reusable Swim Diapers 3 Pcs Waterproof Swimming Diapers for Baby Swim Lesson](https://m.media-amazon.com/images/I/416Q0ax6MrL.jpg) [**MooMoo Baby Reusable Swim Diapers 3 Pcs Waterproof Swimming Diapers for Baby Swim Lesson**](https://www.amazon.com/dp/B0D69YH7ZG) MooMoo Baby$19.104.7★4837%▲rising 6 ![MomEasier Swim Diapers 3 Pcs Reusable Swimming Diaper for Baby Boys and Girls 2-5T Green](https://m.media-amazon.com/images/I/41NeqztqltL.jpg) [**MomEasier Swim Diapers 3 Pcs Reusable Swimming Diaper for Baby Boys and Girls 2-5T Green**](https://www.amazon.com/dp/B0H1MJ53CX) MomEasier$20.404.6★266%▲rising 7 ![MooMoo Baby Swim Diapers 3 Pcs Waterproof Reusable Swim Diapers for Baby Swim Lesson 3T Pink](https://m.media-amazon.com/images/I/41wPhEKqb-L.jpg) [**MooMoo Baby Swim Diapers 3 Pcs Waterproof Reusable Swim Diapers for Baby Swim Lesson 3T Pink**](https://www.amazon.com/dp/B0CWTR12KK) MooMoo Baby$18.714.7★4836%▲rising 8 ![ALVABABY Swim Diapers 2pcs Reusable Baby Swim Diaper 9 Months-3T Adjustable Snap Washable Toddler Swimming Diaper for Pool Beach & Swim Lessons Waterproof PUL Leak-Proof UPF 30+ Large Size](https://m.media-amazon.com/images/I/513Itm6EFvS.jpg) [**ALVABABY Swim Diapers 2pcs Reusable Baby Swim Diaper 9 Months-3T Adjustable Snap Washable Toddler Swimming Diaper for Pool Beach & Swim Lessons Waterproof PUL Leak-Proof UPF 30+ Large Size**](https://www.amazon.com/dp/B07BC8KS14) ALVA$9.704.6★16,5785%—flat 9 ![MooMoo Baby Reusable Swim Diapers 3 Pcs Waterproof Swimming Diapers for Baby Swim Lesson](https://m.media-amazon.com/images/I/41C3KktxeRL.jpg) [**MooMoo Baby Reusable Swim Diapers 3 Pcs Waterproof Swimming Diapers for Baby Swim Lesson**](https://www.amazon.com/dp/B0D69XPPWV) MooMoo Baby$18.884.7★4834%▲rising 10 ![EZ Moms 2 Packs Reusable Swim Diapers Toddler Baby Swim Diaper Size 3 Washable Snap Pool Swimming Diaper 3T Soft and Silky Waterproof Diapers for Swimming Lessons Boys and Girls with a Laundry Bag](https://m.media-amazon.com/images/I/41Nb4aG+lbL.jpg) [**EZ Moms 2 Packs Reusable Swim Diapers Toddler Baby Swim Diaper Size 3 Washable Snap Pool Swimming Diaper 3T Soft and Silky Waterproof Diapers for Swimming Lessons Boys and Girls with a Laundry Bag**](https://www.amazon.com/dp/B0BWXXSMWJ) EZ Moms$15.404.4★3324%—flat 11 ![Babygoal Reusable Baby Girl Swim Diapers 3 Pack - Adjustable Washable for 0-8 Months Infants - Ideal for Swimming Lessons - Flower Design](https://m.media-amazon.com/images/I/41zX19Tw2oL.jpg) [**Babygoal Reusable Baby Girl Swim Diapers 3 Pack - Adjustable Washable for 0-8 Months Infants - Ideal for Swimming Lessons - Flower Design**](https://www.amazon.com/dp/B07KPVPXBL) babygoal$10.324.5★10,0213%▼falling 12 ![MooMoo Baby Reusable Swim Diapers 3 Pcs Waterproof Swimming Diapers for Baby Swim Lesson](https://m.media-amazon.com/images/I/41C3KktxeRL.jpg) [**MooMoo Baby Reusable Swim Diapers 3 Pcs Waterproof Swimming Diapers for Baby Swim Lesson**](https://www.amazon.com/dp/B0D69XRTYK) MooMoo Baby$19.294.7★4833%▲rising 13 ![Hello Bello Premium Swim Diapers Size S (16-28 lbs) Cute Extra-Bright Lobster Designs 20 Count Jumbo Pack](https://m.media-amazon.com/images/I/41NEuGyYvpL.jpg) [**Hello Bello Premium Swim Diapers Size S (16-28 lbs) Cute Extra-Bright Lobster Designs 20 Count Jumbo Pack**](https://www.amazon.com/dp/B0966BS6V9) Hello Bello$13.554.6★1,2602%▼falling 14 ![BIG ELEPHANT Baby Swim Diapers 3-Pack Reusable Waterproof Swim Pants for Boys and Girls Soft Breathable Swimwear for Pool](https://m.media-amazon.com/images/I/41rZDftOlDL.jpg) [**BIG ELEPHANT Baby Swim Diapers 3-Pack Reusable Waterproof Swim Pants for Boys and Girls Soft Breathable Swimwear for Pool**](https://www.amazon.com/dp/B0FGTP8XDM) BIG ELEPHANT$16.524.4★542%▲rising 15 ![EZ Moms 2 Packs Reusable Swim Diapers Toddler Baby Swim Diaper Size 3 Washable Snap Pool Swimming Diaper 3T Soft and Silky Waterproof Diapers for Swimming Lessons Boys and Girls with a Laundry Bag](https://m.media-amazon.com/images/I/41O9Lmy3tGL.jpg) [**EZ Moms 2 Packs Reusable Swim Diapers Toddler Baby Swim Diaper Size 3 Washable Snap Pool Swimming Diaper 3T Soft and Silky Waterproof Diapers for Swimming Lessons Boys and Girls with a Laundry Bag**](https://www.amazon.com/dp/B0BWXXRY23) EZ Moms$15.354.4★3322%▼falling **~~Showing 15 of 24 — show all ~~** ## **Product shelf** All 24 tracked products in this niche. Top sellersNewestTrending [![Hello Bello Premium Swim Diapers I Affordable and Eco-Friendly Disposable Swim Dipes for Babies and Kids I Size Medium](https://m.media-amazon.com/images/I/41qvP4ETJ6L.jpg)**Hello Bello Premium Swim Diapers I Affordable and Eco-Friendly Disposable Swim Dipes for Babies and Kids I Size Medium** Hello Bello**$13.41**4.6★1,260 reviews](https://www.amazon.com/dp/B0966DJR57) [![MooMoo Baby Reusable Swim Diapers 3 Pcs Waterproof Swimming Diapers for Baby Swim Lesson](https://m.media-amazon.com/images/I/416Q0ax6MrL.jpg)**MooMoo Baby Reusable Swim Diapers 3 Pcs Waterproof Swimming Diapers for Baby Swim Lesson** MooMoo Baby**$19.04**4.7★483 reviews](https://www.amazon.com/dp/B0D69XS3DF) [![MooMoo Baby Reusable Swim Diapers 3 Pcs Waterproof Swimming Diapers for Baby Swim Lesson](https://m.media-amazon.com/images/I/416Q0ax6MrL.jpg)**MooMoo Baby Reusable Swim Diapers 3 Pcs Waterproof Swimming Diapers for Baby Swim Lesson** MooMoo Baby**$19.14**4.7★483 reviews](https://www.amazon.com/dp/B0D69Y45SB) [![ALVABABY Swim Diapers 2pcs Reusable Baby Boy Swim Diaper 0-8 Months Adjustable Snap Washable Infant Toddler Swimming Diaper for Pool Beach & Swim Lessons Waterproof PUL Leak-Proof UPF 30+ Small Size](https://m.media-amazon.com/images/I/513Itm6EFvS.jpg)**ALVABABY Swim Diapers 2pcs Reusable Baby Boy Swim Diaper 0-8 Months Adjustable Snap Washable Infant Toddler Swimming Diaper for Pool Beach & Swim Lessons Waterproof PUL Leak-Proof UPF 30+ Small Size** ALVA**$9.54**4.6★16,578 reviews](https://www.amazon.com/dp/B01JCO56OO) [![MooMoo Baby Reusable Swim Diapers 3 Pcs Waterproof Swimming Diapers for Baby Swim Lesson](https://m.media-amazon.com/images/I/416Q0ax6MrL.jpg)**MooMoo Baby Reusable Swim Diapers 3 Pcs Waterproof Swimming Diapers for Baby Swim Lesson** MooMoo Baby**$19.10**4.7★483 reviews](https://www.amazon.com/dp/B0D69YH7ZG) [![MomEasier Swim Diapers 3 Pcs Reusable Swimming Diaper for Baby Boys and Girls 2-5T Green](https://m.media-amazon.com/images/I/41NeqztqltL.jpg)**MomEasier Swim Diapers 3 Pcs Reusable Swimming Diaper for Baby Boys and Girls 2-5T Green** MomEasier**$20.40**4.6★26 reviews](https://www.amazon.com/dp/B0H1MJ53CX) [![MooMoo Baby Swim Diapers 3 Pcs Waterproof Reusable Swim Diapers for Baby Swim Lesson 3T Pink](https://m.media-amazon.com/images/I/41wPhEKqb-L.jpg)**MooMoo Baby Swim Diapers 3 Pcs Waterproof Reusable Swim Diapers for Baby Swim Lesson 3T Pink** MooMoo Baby**$18.71**4.7★483 reviews](https://www.amazon.com/dp/B0CWTR12KK) [![ALVABABY Swim Diapers 2pcs Reusable Baby Swim Diaper 9 Months-3T Adjustable Snap Washable Toddler Swimming Diaper for Pool Beach & Swim Lessons Waterproof PUL Leak-Proof UPF 30+ Large Size](https://m.media-amazon.com/images/I/513Itm6EFvS.jpg)**ALVABABY Swim Diapers 2pcs Reusable Baby Swim Diaper 9 Months-3T Adjustable Snap Washable Toddler Swimming Diaper for Pool Beach & Swim Lessons Waterproof PUL Leak-Proof UPF 30+ Large Size** ALVA**$9.70**4.6★16,578 reviews](https://www.amazon.com/dp/B07BC8KS14) ## **Reviews** What buyers praise and complain about, mined from review topics. ### **What buyers love ** **Size-Overall**22% *“Fit well”* **Quality-Overall**12% *“These are well made”* **Stretchability/Expandability/Elasticity**9% *“They have a nice stretch”* **Water Resistance**5% *“they're soft and water resistant”* **Comfort-Overall**4% *“Comfortable”* **Ease Of Use**4% *“Easy to use”* **Ease Of Cleaning**4% *“they were very easy to clean”* **Soft Feel**3% *“They are super soft”* **Absorbency**3% *“they have more absorbency”* **Value For Money**3% *“Pretty good for the price”* ### **What buyers complain about ** **Size-Overall**15% *“Size up”* **Water Resistance**13% *“was soaked and didnt protect it from water, which completely failed to meet its purpose”* **Ease Of Use**7% *“Just a little complex to put on”* **Smell**5% *“Its fragranced”* **Functionality-Overall**5% *“These do NOT work at all”* **Value For Money**3% *“The diapers are kinda overpriced I found another brand for cheaper that I like better”* **Thickness**3% *“The material is thick”* **Touch/Button Controls**2% *“Super soft - buttons came off”* **Allergies**2% *“.He has eczema”* **Stitch/Finish/Polish**2% *“a bit tight at the seams”* #### **Top return reasons**- Size-Overall71% - Advertised Vs Actual Product3% - Material Quality2% - Thin2% - Value For Money2% - Quality-Overall2% - Functionality-Overall2% - Waist Fit2% - Age Suitability2% - Hip Fit1%