---
title: "Merries Diapers — $30K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/baby-products/merries-diapers"
last_updated: "2026-08-09T19:56:41.162Z"
locale: en
meta:
description: "Niche score 43/100 · $30K/yr market · 36K searches/yr · $38.50 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 43/100 · $30K/yr market · 36K searches/yr · $38.50 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Merries Diapers — $30K/yr Amazon US Niche (2026) - Flapen"
---
# **merries diapers**
**Skip it**
A small market ($30K/yr) — this niche doesn't clear our bar today.
Market size 7Growth 43Conversion 27Competition 49Returns 96Price range 79Avg price 95Brand share 27Review moat 26Quality gap 25
**Returns**
**Incredible****0.7%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$38.50**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$8.58–$114.44**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Okay****56%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Okay****+14.8%**
90-day search growth — must beat 0% to launch
**Conversion**
**Okay****2.1%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Okay****89%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Okay****3,921.86**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Market size**
**Bad****$30K**
$30K/yr · 36K searches
**Signals**[** Out of Stock**](https://flapen.com/research/niches?market=us&signal=out_of_stock "OOS rate > 10%")
According to Flapen's Amazon United States niche tracking, merries diapers is a $30K/yr Amazon United States market (36K searches/yr). The top 5 brands hold 89% of demand. Verdict: Skip it — 43/100.
Data updated Jul 12, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **merries diapers market data**
- **Units sold / yr**
- **750–1K**
- avg 0–100/product
- **Revenue / yr**
- **$29K–$39K**
- units × avg price
- **Conversion rate**
- **2.1%**
- **Avg BSR**
- **#232**
- **Page quality**
- **0%**
- **Prime**
- **73%**
- **Sponsored**
- **59%**
- **Out of stock**
- **26.5%**
- **Avg brand age**
- **41 months**
- **Avg seller age**
- **144 days**
## **Competition & brand share**
The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**10 **▲rising
**Sellers**
**14**
**Top-5 brand share**
**89%**
Top 20: 100%
**Top-5 click share**
**56%**
Top 20: 97%
**Open market**
**8%**
- Moony40% - Merries21% - AMERICAS TOYS10% - KAO9% - MOONIES9% - MANEKI3% - Open — no brand owns it (4 brands, 8%)
## **Demand & seasonality**
Weekly Amazon search volume, last 102 weeks — +14.8% search growth over the last 90 days.
2K1KHoliday '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/baby-products/merries-diapers/trend)
## **Top merries diapers search terms**
- **moony diapers**9K/yr+18.3%0.8% conv. - **merries diapers**9K/yr-6.0%2.4% conv. - **moonies**6K/yr+42.3%1.2% conv. - **japanese diapers**5K/yr+16.5%0.6% conv. - **moony**5K/yr+28.4%0.3% conv. - **merries**2K/yr-2.5%2.6% conv. [**All search terms **](https://flapen.com/research/us/baby-products/merries-diapers/search-terms)
## **Top merries 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.
0%10%$3K20%$6K30%$9K40%$12K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted
All 22 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**unicharm Moony Natural Moonyman Pants Type (M Size)**Moony**$40.14**4.6★524 rev](https://www.amazon.com/dp/B07PLYT1D1) [2**Moony Merries Pants Diaper Bundle 44 Counts Unisex Size Large (20-31 lbs) Safe Materials No Chemical Odor Ultra-Soft Breathable Indicator Prevents Leakage**Moony**$76.51**4.6★43 rev](https://www.amazon.com/dp/B07K1MDHL8) [3**KAO Diapers Merries Sarasara Air Through Pants L-Size ( 9~14kg) 44sheets Parallel Import Product Made in Japan**Merries**$37.71**4.7★185 rev](https://www.amazon.com/dp/B00DSSOQYC) [4**Kao Merries Air Through Tape M 52 Sheets**KAO**$31.72**5.0★2 rev](https://www.amazon.com/dp/B0D4QS6QNQ) [5**Kao Merrys Pants Smooth skin air through Big size bigger 26 pieces x 3 pieces**Merries**$114.44**5.0★15 rev](https://www.amazon.com/dp/B084R8X1WG)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Feminine Wipes for Women Flushable pH Balanced Wipes 99% Water & Aloe Unscented Gentle Intimate & Period Care with Odor Protection Daily Hygiene & Travel Essentials 8 Pack 48 Wipes**MOONIES**$9.73**200 rev6mo ago](https://www.amazon.com/dp/B0G267MLPM) [**Moonkie Hug & Go Dinosaur Toddler Backpack Soft Plush Bag with Take-Along Toy for Boys Aged 24 | Ideal for Daycare Travel & Birthday Gifts**Moonkie**$28.69**444 rev7mo ago](https://www.amazon.com/dp/B0FKM64QT5) [**Impossibly Compact Travel Antibacterial Wipes Hand Sanitizer - 99% Water and Aloe - Safe for Sensitive Skin Hand Wipes - Travel Essentials For Adults & Kids 10 Pack Total 60 Wipes**MOONIES**$9.19**332 rev12mo ago](https://www.amazon.com/dp/B0FHX1PTYY) [**Kao Merrys Pants Larger Than Big 24 Pieces**KAO**$35.14**1 rev1y ago](https://www.amazon.com/dp/B0DF6BXSPR) [**Kao Merries Air Through Tape M 52 Sheets**KAO**$31.72**2 rev1y ago](https://www.amazon.com/dp/B0D4QS6QNQ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**MooMoo Baby 8 Packs Potty Training Pants Cotton Absorbent Training Underwear for Toddler Baby Boy 2T**MooMoo Baby**$31.22**4.5★**▲ 152%**](https://www.amazon.com/dp/B08W3B1P3P) [**Moonkie Hug & Go Dinosaur Toddler Backpack Soft Plush Bag with Take-Along Toy for Boys Aged 24 | Ideal for Daycare Travel & Birthday Gifts**Moonkie**$28.69**4.8★**▲ 151%**](https://www.amazon.com/dp/B0FKM64QT5) [**MERRYS Unisex Polarized Aluminum Sunglasses Vintage Sun Glasses For Men/Women S8286**MERRY'S**$17.98**4.5★**▲ 130%**](https://www.amazon.com/dp/B07K54R52B) [**MooMoo Baby Training Underwear for Boys and Girls Absorbent Toddler Training Pants Cotton Washable and Reusable 2T-7T 8 Packs**MooMoo Baby**$31.29**4.5★**▲ 129%**](https://www.amazon.com/dp/B0B4DKCBGZ) [**Feminine Wipes for Women Flushable pH Balanced Wipes 99% Water & Aloe Unscented Gentle Intimate & Period Care with Odor Protection Daily Hygiene & Travel Essentials 8 Pack 48 Wipes**MOONIES**$9.73**4.8★**▲ 113%**](https://www.amazon.com/dp/B0G267MLPM)
**~~View all trending →~~**
## **What buyers say about merries diapers**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**20%
*“They fit easily in my toiletry bag”*
**Ease Of Cleaning**12%
*“did a great job cleaning”*
**Ease Of Use**11%
*“Easy to carry”*
**Compactness**8%
*“compact packaging”*
**Quality-Overall**7%
*“The quality is solid”*
**Soft Feel**5%
*“Soft to the Touch”*
**Value For Money**5%
*“GOOD VALUE”*
**Smell**3%
*“Fragrance free”*
**Thickness**3%
*“The wipes are a good thickness”*
**Durability**3%
*“the plant based material feels surprisingly durable”*
### **What buyers complain about **
**Size-Overall**23%
*“Super small”*
**Ease Of Cleaning**6%
*“Hard to pull only one wipe out at a time”*
**Smell**5%
*“No strong fragrance”*
**Allergies**3%
*“nose are easily irritated”*
**Ease Of Use**2%
*“It is inconvenient to open”*
**Water Resistance**2%
*“NOT WATERPROOF”*
**Absorbency**2%
*“NOT ABSORBENT”*
**Moist/Dry**2%
*“they dry out”*
**Value For Money**2%
*“It was a waste of money”*
**Durability**2%
*“Glue comes off in a month”*
### **Top return reasons **
**Size-Overall**47%
**Advertised Vs Actual Product**10%
**Value For Money**7%
**Thigh Fit**5%
**Waist Fit**3%
**Ingredients-Overall**3%
**Weight Heavy**2%
**Moist/Dry**2%
**Smell**2%
**Compactness**2%
## **Common questions**
- **Is merries diapers profitable to sell on Amazon United States?**
- The niche generates $30K/yr across 22 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is +14.8%. Flapen's verdict: Skip it (43/100).
- **How competitive is the merries diapers niche?**
- 10 brands and 14 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 89% of demand.
- **What do buyers complain about in merries diapers?**
- Top complaints mined from reviews: Size-Overall, Ease Of Cleaning, Smell. The return rate is 0.7%.
- **When does demand for merries diapers peak?**
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- **What does it cost to enter the merries diapers niche?**
- Listings span $8.58–$114.44; the average listing price is $38.50 (sweet spot $15–$100). The average incumbent carries 3,922 reviews — the moat a new listing must climb.
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