coterie diapers size 4
Launch itA $1.2M/yr market growing +7.5% this quarter with returns at 0.5% — clears our launch bar.
Returns
Incredible0.5%return rate — above 5% kills the launch gate
Conversion
Incredible14.7%search→purchase rate — share of searches ending in a sale
Quality gap
Incredible3.9★avg incumbent rating — lower means beatable quality
Avg price
Great$53.22avg listing price — sweet spot $15–$100
Market size
Great$1.2M$1.2M/yr · 158K searches
Price range
Great$20.06–$118.81cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good620avg incumbent reviews — the moat a new listing must climb
Growth
Okay+7.5%90-day search growth — must beat 0% to launch
Competition
Bad100%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 diapers size 4 is a $1.2M/yr Amazon United States market (158K searches/yr). The top 5 brands hold 100% of demand. Verdict: Launch it — 59/100.
Data updated Jul 12, 2026 · scored weekly · How we score niches
coterie diapers size 4 market data
- Units sold / yr
- 30K–40K
- avg 6,000–8,000/product
- Revenue / yr
- $1.6M–$2.1M
- units × avg price
- Conversion rate
- 14.7%
- Avg BSR
- #110
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 75%
- Out of stock
- 0.0%
- Avg brand age
- 58 months
- Avg seller age
- 146 days
Competition & brand share
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.Brands
3 falling
Sellers
535
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
100%
Top 20: 100%
Open market
0%
- Coterie92%
- The Honest Company4%
- Pampers4%
Demand & seasonality
Weekly Amazon search volume, last 101 weeks — +7.5% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Top coterie diapers size 4 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 4 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Coterie The Pant Size 4 Refastenable Training Pants for Sensitive Skin Hypoallergenic Super Absorbent Overnight Leak Protection 2T/3T (20-32 lbs) 136 Count
Coterie$118.813.6★95 rev
Coterie Diaper Size 5 22 Count
Coterie$20.064.6★173 rev
The Honest Company Comfort Dry Disposable Daytime Diapers for Sensitive Skin Hypoallergenic Wild Thang + All The Alpacas Super Club Box Size 4 (2237 lbs) 104 Count
The Honest Company$47.564.0★1,762 rev
Pampers Amore Size 4 (15-34 lbs) 58 Count Our Best Diaper Hypoallergenic & Fragrance Free Up to 100% Leakproof Soft as Cashmere
Pampers$26.463.5★450 rev
Newest
by launch datePampers Amore Size 4 (15-34 lbs) 58 Count Our Best Diaper Hypoallergenic & Fragrance Free Up to 100% Leakproof Soft as Cashmere
Pampers$26.46450 rev
Coterie The Pant Size 4 Refastenable Training Pants for Sensitive Skin Hypoallergenic Super Absorbent Overnight Leak Protection 2T/3T (20-32 lbs) 136 Count
Coterie$118.8195 rev
The Honest Company Comfort Dry Disposable Daytime Diapers for Sensitive Skin Hypoallergenic Wild Thang + All The Alpacas Super Club Box Size 4 (2237 lbs) 104 Count
The Honest Company$47.561,762 rev
Coterie Diaper Size 5 22 Count
Coterie$20.06173 rev
Trending
90-day click momentumPampers Amore Size 4 (15-34 lbs) 58 Count Our Best Diaper Hypoallergenic & Fragrance Free Up to 100% Leakproof Soft as Cashmere
Pampers$26.463.5★
Coterie The Pant Size 4 Refastenable Training Pants for Sensitive Skin Hypoallergenic Super Absorbent Overnight Leak Protection 2T/3T (20-32 lbs) 136 Count
Coterie$118.813.6★
The Honest Company Comfort Dry Disposable Daytime Diapers for Sensitive Skin Hypoallergenic Wild Thang + All The Alpacas Super Club Box Size 4 (2237 lbs) 104 Count
The Honest Company$47.564.0★
Coterie Diaper Size 5 22 Count
Coterie$20.064.6★
What buyers say about coterie diapers size 4
What buyers praise and complain about, mined from review topics.What buyers love
“The material feels very soft”
“the fit is true to size”
“preventing any leaks”
“cute design”
“the absorbency is great”
“They are buttery soft, very stretchy and absorbent”
“Definitely good diapers”
“Weve had dry mornings consistently”
“Great for my 18 month old - it improved diaper rash”
“comfy & supportive”
What buyers complain about
“irritated their skin”
“The Gel Leaks”
“Just expensive”
“Runs Small — Size Up”
“One of the worst quality diaper”
“The Pure diapers felt dry even overnight”
“the only difference i see is maybe these omes are a little thicker”
“Had these on for less than 2 hours and the diaper some how broke”
“Smell bad”
“and worse, my son developed some sort of irritation, evident from the blood that was on the front of the diaper after a two-hour nap”
Top return reasons
Common questions
- Is coterie diapers size 4 profitable to sell on Amazon United States?
- The niche generates $1.2M/yr across 4 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +7.5%. Flapen's verdict: Launch it (59/100).
- How competitive is the coterie diapers size 4 niche?
- 3 brands and 535 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in coterie diapers size 4?
- Top complaints mined from reviews: Allergies, Leak-Proof, Value For Money. The return rate is 0.5%.
- When does demand for coterie diapers size 4 peak?
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- What does it cost to enter the coterie diapers size 4 niche?
- Listings span $20.06–$118.81; the average listing price is $53.22 (sweet spot $15–$100). The average incumbent carries 620 reviews — the moat a new listing must climb.