kirkland diapers
Skip itA deep review moat (41,894 avg reviews) — this niche doesn't clear our bar today.
Avg price
Incredible$39.00avg listing price — sweet spot $15–$100
Price range
Incredible$27.63–$62.54cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Great1.3%return rate — above 5% kills the launch gate
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Bad74%top-5 click share — a locked-up shelf
Growth
Bad-7.4%90-day search growth — must beat 0% to launch
Conversion
Bad1.3%search→purchase rate — share of searches ending in a sale
Brand share
Bad93%top-5 brand share — brand-locked demand
Market size
Bad$36K$36K/yr · 70K searches
Review moat
Bad41,894avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, kirkland diapers is a $36K/yr Amazon United States market (70K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in Jul–Aug. Verdict: Skip it — 34/100.
Data updated Jul 12, 2026 · scored weekly · How we score niches
kirkland diapers market data
- Units sold / yr
- 750–1K
- avg 0–100/product
- Revenue / yr
- $29K–$39K
- units × avg price
- Conversion rate
- 1.3%
- Avg BSR
- #88
- Page quality
- 0%
- Prime
- 85%
- Sponsored
- 62%
- Out of stock
- 7.0%
- Avg brand age
- 59 months
- Avg seller age
- 141 days
Competition & brand share
The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.Brands
6 flat
Sellers
54
Top-5 brand share
93%
Top 20: 100%
Top-5 click share
74%
Top 20: 100%
Open market
0%
- HAO33%
- The Honest Company20%
- KIRKLAND18%
- Pampers12%
- HUGGIES11%
- Mama Bear7%
Demand & seasonality
Weekly Amazon search volume, last 101 weeks — -7.4% search growth over the last 90 days.Peak months: Jul, Aug · busiest ÷ quietest = 1.9×
Top kirkland diapers search terms
- kirkland diapers53K/yr
- kirkland diapers size 37K/yr
- costco diapers3K/yr
- kirkland baby diapers2K/yr
- kirkland signature diapers2K/yr
- kirkland diaper1K/yr
- kirkland size 3 diapers1K/yr
Top kirkland 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 13 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Kirkland Signature Diapers Size 3 (16 lbs - 28 lbs) 198 Count W/ Exclusive Health and Outdoors Wipes
HAO$62.544.6★244 rev
Kirkland Signature Supreme Diapers Size 3 Total Counts 210
KIRKLAND$59.874.7★6 rev
The Honest Company Comfort Dry Disposable Daytime Diapers for Sensitive Skin Hypoallergenic All the Alpacas + Turtle Time Club Box Size 1 (8-14 lbs) 78 Count
The Honest Company$27.874.2★2,613 rev
Pampers Diapers - Baby Dry - Size 3 104 Count Absorbent Disposable Infant Diaper (Packaging May Vary)
Pampers$28.614.7★97,820 rev
Huggies Size 3 Diapers Little Movers Baby Diapers Size 3 (16-28 lbs) 168 Count (6 Packs of 28) Packaging May Vary
HUGGIES$50.624.8★46,925 rev
Newest
by launch dateHuggies Size 3 Diapers Little Movers Baby Diapers Size 3 (16-28 lbs) 168 Count (6 Packs of 28) Packaging May Vary
HUGGIES$50.6246,925 rev
Huggies Size Newborn Diapers Little Snugglers Baby Diapers Size Newborn (up to 10 lbs) 144 Count Packaging May Vary
HUGGIES$42.4187,869 rev
The Honest Company Comfort Dry Disposable Daytime Diapers for Sensitive Skin Hypoallergenic All the Alpacas + Turtle Time Club Box Size 1 (8-14 lbs) 78 Count
The Honest Company$27.872,613 rev
The Honest Company Comfort Dry Disposable Daytime Diapers for Sensitive Skin Hypoallergenic Above It All + All the Alpacas Club Box Size Newborn 72 Count
The Honest Company$27.632,613 rev
The Honest Company Comfort Dry Disposable Daytime Diapers for Sensitive Skin Hypoallergenic All the Alpacas + Turtle Time Super Club Box Size 1 (814 lbs) 136 Count
The Honest Company$46.701,762 rev
Trending
90-day click momentumThe Honest Company Comfort Dry Disposable Daytime Diapers for Sensitive Skin Hypoallergenic All the Alpacas + Turtle Time Super Club Box Size 1 (814 lbs) 136 Count
The Honest Company$46.704.0★
Amazon Brand - Mama Bear Gentle Touch Baby Diapers Formulated without Fragrance Size 4 148 Count (4 packs of 37) with Skin Protection and Leak Protection
Mama Bear$31.224.2★
Huggies Size 5 Diapers Little Movers Baby Diapers Size 5 (27+ lbs) 104 Count Packaging May Vary
HUGGIES$40.514.8★
The Honest Company Comfort Dry Disposable Daytime Diapers for Sensitive Skin Hypoallergenic Above It All + All the Alpacas Club Box Size Newborn 72 Count
The Honest Company$27.634.2★
Kirkland Signature Supreme Diapers Size 3 Total Counts 210
KIRKLAND$59.874.7★
What buyers say about kirkland diapers
What buyers praise and complain about, mined from review topics.What buyers love
“Fits well”
“some leaks not as much”
“Great value for money”
“its so soft on the skin”
“very absorbent”
“I like the quality”
“dont cause any irritation”
“These are comfortable”
“Diapers keep baby dry enough”
“Design is cute”
What buyers complain about
“Leaks”
“they are extremely low quality”
“Too big”
“irritation after using these diapers”
“Waste of money”
“Terrible absorbency”
“it had a very strong chemical smell”
“thin”
“These diapers arent very soft”
“These diapers do not hold wetness”
Top return reasons
Common questions
- Is kirkland diapers profitable to sell on Amazon United States?
- The niche generates $36K/yr across 13 tracked products. 90-day search growth is -7.4%. Flapen's verdict: Skip it (34/100).
- How competitive is the kirkland diapers niche?
- 6 brands and 54 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 93% of demand.
- What do buyers complain about in kirkland diapers?
- Top complaints mined from reviews: Leak-Proof, Quality-Overall, Size-Overall. The return rate is 1.3%.
- When does demand for kirkland diapers peak?
- Demand peaks in Jul–Aug; the busiest month runs 1.9× the quietest.
- What does it cost to enter the kirkland diapers niche?
- Listings span $27.63–$62.54; the average listing price is $39.00 (sweet spot $15–$100). The average incumbent carries 41,894 reviews — the moat a new listing must climb.