coterie swim diapers
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.5%return rate — above 5% kills the launch gate
Growth
Incredible+171.1%90-day search growth — must beat 0% to launch
Avg price
Great$17.07avg listing price — sweet spot $15–$100
Price range
Great$13.41–$20.40cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good694.13avg incumbent reviews — the moat a new listing must climb
Conversion
Good5.1%search→purchase rate — share of searches ending in a sale
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Market size
Bad$33K$33K/yr · 39K searches
Competition
Bad90%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, coterie swim diapers is a $33K/yr Amazon United States market (39K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 46/100.
Data updated Jul 12, 2026 · scored weekly · How we score niches
coterie swim diapers market data
- Units sold / yr
- 2K–2K
- avg 100–250/product
- Revenue / yr
- $26K–$34K
- units × avg price
- Conversion rate
- 5.1%
- Avg BSR
- #43
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 23.1%
- Avg brand age
- 39 months
- Avg seller age
- 167 days
Competition & brand share
The top 5 products capture 90% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 falling
Sellers
8
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
90%
Top 20: 100%
Open market
0%
- Hello Bello56%
- Esembly31%
- MomEasier9%
- MooMoo Baby4%
Top coterie swim diapers search terms
- coterie swim diapers22K/yr
- non toxic swim diapers7K/yr
- organic swim diapers4K/yr
- honest swim diapers4K/yr
- coterie swim2K/yr
Top coterie swim diapers products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 8 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Hello Bello Premium Swim Diapers I Affordable and Eco-Friendly Disposable Swim Dipes for Babies and Kids I Size Medium
Hello Bello$13.414.6★1,260 rev

Esembly Cloth Diaper Cover - Reusable Swim Diaper Waterproof Breathable - Adjustable Outer Layer Over Absorbent Inner for Blowout Protection - Sunday Stripe Size 2 (18-35lbs)
Esembly$18.184.8★619 rev

Hello Bello Premium Swim Diapers Size S (16-28 lbs) Cute Extra-Bright Lobster Designs 20 Count Jumbo Pack
Hello Bello$13.554.6★1,260 rev

MomEasier Swim Diapers 3 Pcs Reusable Swimming Diaper for Baby Boys and Girls 2-5T Green
MomEasier$20.404.6★26 rev

Esembly Cloth Diaper Cover - Reusable Swim Diaper Waterproof Breathable - Adjustable Outer Layer Over Absorbent Inner for Blowout Protection - Forget-me-not Size 2 (18-35lbs)
Esembly$18.334.8★619 rev
Newest
by launch date
MomEasier Swim Diapers 3 Pcs Reusable Swimming Diaper for Baby Boys and Girls 2-5T Green
MomEasier$20.4026 rev

MomEasier Swim Diapers 3 Pcs Reusable Swimming Diaper for Baby Boys and Girls 2-5T Green
MomEasier$20.2826 rev

Esembly Cloth Diaper Cover - Reusable Swim Diaper Waterproof Breathable - Adjustable Outer Layer Over Absorbent Inner for Blowout Protection - Sunday Stripe Size 2 (18-35lbs)
Esembly$18.18619 rev

Esembly Cloth Diaper Cover - Reusable Swim Diaper Waterproof Breathable - Adjustable Outer Layer Over Absorbent Inner for Blowout Protection - Forget-me-not Size 2 (18-35lbs)
Esembly$18.33619 rev

MooMoo Baby Reusable Swim Diapers 3 Pcs Waterproof Swimming Diapers for Baby Swim Lesson
MooMoo Baby$19.04483 rev
Trending
90-day click momentum
MomEasier Swim Diapers 3 Pcs Reusable Swimming Diaper for Baby Boys and Girls 2-5T Green
MomEasier$20.404.6★

Esembly Cloth Diaper Cover - Reusable Swim Diaper Waterproof Breathable - Adjustable Outer Layer Over Absorbent Inner for Blowout Protection - Sunday Stripe Size 2 (18-35lbs)
Esembly$18.184.8★

MomEasier Swim Diapers 3 Pcs Reusable Swimming Diaper for Baby Boys and Girls 2-5T Green
MomEasier$20.284.6★

Esembly Cloth Diaper Cover - Reusable Swim Diaper Waterproof Breathable - Adjustable Outer Layer Over Absorbent Inner for Blowout Protection - Forget-me-not Size 2 (18-35lbs)
Esembly$18.334.8★

MooMoo Baby Reusable Swim Diapers 3 Pcs Waterproof Swimming Diapers for Baby Swim Lesson
MooMoo Baby$19.044.7★
What buyers say about coterie swim diapers
What buyers praise and complain about, mined from review topics.What buyers love
“These swim diapers are well made”
“Fit well”
“BEST SWIM DIAPER”
“my son does not complain about comfort”
“legs stretches nicely”
“the designs are adorable”
“The colors are bright”
“They are super soft”
“Dries quickly& doesnt ride up”
“I also love the cute prints”
What buyers complain about
“always had issues with leaking”
“These do NOT work at all”
“although its not the best trade out since swim diapers are non absorbing”
“The material is thinner than a regular diaper”
Top return reasons
Common questions
- Is coterie swim diapers profitable to sell on Amazon United States?
- The niche generates $33K/yr across 8 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is +171.1%. Flapen's verdict: Skip it (46/100).
- How competitive is the coterie swim diapers niche?
- 4 brands and 8 sellers compete. The top 5 products take 90% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in coterie swim diapers?
- Top complaints mined from reviews: Leak-Proof, Functionality-Overall, Absorbency. The return rate is 0.5%.
- What does it cost to enter the coterie swim diapers niche?
- Listings span $13.41–$20.40; the average listing price is $17.07 (sweet spot $15–$100). The average incumbent carries 694 reviews — the moat a new listing must climb.