kirkland diapers size 4
Worth a lookShows searches that convert (26.2% search→purchase), but a concentrated shelf (top 5 take 100% of clicks) keeps it on the watch list.
Conversion
Incredible26.2%search→purchase rate — share of searches ending in a sale
Quality gap
Incredible3.9★avg incumbent rating — lower means beatable quality
Returns
Incredible0.9%return rate — above 5% kills the launch gate
Avg price
Incredible$37.43avg listing price — sweet spot $15–$100
Price range
Incredible$15.86–$48.88cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good1,411.67avg incumbent reviews — the moat a new listing must climb
Market size
Okay$242K$242K/yr · 25K searches
Growth
Okay+0.3%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, kirkland diapers size 4 is a $242K/yr Amazon United States market (25K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Nov–Dec. Verdict: Worth a look — 52/100.
Data updated Jul 12, 2026 · scored weekly · How we score niches
kirkland diapers size 4 market data
- Units sold / yr
- 6K–8K
- avg 750–1,000/product
- Revenue / yr
- $225K–$299K
- units × avg price
- Conversion rate
- 26.2%
- Avg BSR
- #26
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 9.6%
- Avg brand age
- 60 months
- Avg seller age
- 185 days
Competition & brand share
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.Brands
2 falling
Sellers
6
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
100%
Top 20: 100%
Open market
0%
- The Honest Company72%
- Hello Bello28%
Demand & seasonality
Weekly Amazon search volume, last 101 weeks — +0.3% search growth over the last 90 days.Peak months: Jan, Nov, Dec · busiest ÷ quietest = 15.6×
Top kirkland diapers size 4 search terms
- honest overnight diapers size 415K/yr
- honest night diapers size 48K/yr
- honest diapers size 4 overnights2K/yr
Top kirkland 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 3 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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
Hello Bello Premium Overnight Baby Diapers Size 4 21 Count Unisex Ultra Absorbent and Soft Disposable Diapers for Babies and Toddlers
Hello Bello$15.863.8★711 rev
The Honest Company Comfort Dry Disposable Daytime Diapers for Sensitive Skin Hypoallergenic Space Travel + Big Trucks Super Club Box Size 4 (2237 lbs) 104 Count
The Honest Company$48.884.0★1,762 rev
Newest
by launch dateThe 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
The Honest Company Comfort Dry Disposable Daytime Diapers for Sensitive Skin Hypoallergenic Space Travel + Big Trucks Super Club Box Size 4 (2237 lbs) 104 Count
The Honest Company$48.881,762 rev
Hello Bello Premium Overnight Baby Diapers Size 4 21 Count Unisex Ultra Absorbent and Soft Disposable Diapers for Babies and Toddlers
Hello Bello$15.86711 rev
Trending
90-day click momentumThe Honest Company Comfort Dry Disposable Daytime Diapers for Sensitive Skin Hypoallergenic Space Travel + Big Trucks Super Club Box Size 4 (2237 lbs) 104 Count
The Honest Company$48.884.0★
Hello Bello Premium Overnight Baby Diapers Size 4 21 Count Unisex Ultra Absorbent and Soft Disposable Diapers for Babies and Toddlers
Hello Bello$15.863.8★
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★
What buyers say about kirkland diapers size 4
What buyers praise and complain about, mined from review topics.What buyers love
“Love how they fit”
“We very rarely have issue with leaking”
“cute design”
“Overnight fix”
“gentle on skin”
“the absorbency is great”
“They are friendly for sensitive skin too”
“these sleep diapers work great”
“they get the job done”
“The Honest Company Comfort Dry diapers feel noticeably softer than many mainstream brands”
What buyers complain about
“One of the worst quality diaper”
“of course they leaked”
“My little one is prone to irritation”
“Very flimsy diapers”
“Had these on for less than 2 hours and the diaper some how broke”
“They dont really stretch in the crotch or have any curve”
“and are pretty short”
“I just think there needs to be some small tweaks to make these worth the price because they are pretty expensive”
“thin and small”
“And they don't keep my son dry overnight”
Top return reasons
Common questions
- Is kirkland diapers size 4 profitable to sell on Amazon United States?
- The niche generates $242K/yr across 3 tracked products. 90-day search growth is +0.3%. Flapen's verdict: Worth a look (52/100).
- How competitive is the kirkland diapers size 4 niche?
- 2 brands and 6 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in kirkland diapers size 4?
- Top complaints mined from reviews: Quality-Overall, Leak-Proof, Allergies. The return rate is 0.9%.
- When does demand for kirkland diapers size 4 peak?
- Demand peaks in Jan–Nov–Dec; the busiest month runs 15.6× the quietest.
- What does it cost to enter the kirkland diapers size 4 niche?
- Listings span $15.86–$48.88; the average listing price is $37.43 (sweet spot $15–$100). The average incumbent carries 1,412 reviews — the moat a new listing must climb.