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.

merries diapers

Skip it

A small market ($30K/yr) — this niche doesn't clear our bar today.

Returns

Incredible0.7%

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

Okay56%

top-5 click share — leaders hold, buyers still browse

Growth

Okay+14.8%

90-day search growth — must beat 0% to launch

Conversion

Okay2.1%

search→purchase rate — share of searches ending in a sale

Brand share

Okay89%

top-5 brand share — brands hold most of the demand

Review moat

Okay3,921.86

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Market size

Bad$30K

$30K/yr · 36K searches

Signals Out of Stock

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

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

Top-5 brand share

89%

Top 20: 100%

Top-5 click share

56%

Top 20: 97%

Open market

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.

No pronounced peak months · busiest ÷ quietest = 1.5×

Open Trend

Top merries diapers search terms

moony diapers9K/yr +18.3%0.8% conv.
merries diapers9K/yr -6.0%2.4% conv.
moonies6K/yr +42.3%1.2% conv.
japanese diapers5K/yr +16.5%0.6% conv.
moony5K/yr +28.4%0.3% conv.
merries2K/yr -2.5%2.6% conv.

All 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.

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

unicharm Moony Natural Moonyman Pants Type (M Size)

Moony$40.144.6★524 rev

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$76.514.6★43 rev

KAO Diapers Merries Sarasara Air Through Pants L-Size ( 9~14kg) 44sheets Parallel Import Product Made in Japan

Merries$37.714.7★185 rev

Kao Merries Air Through Tape M 52 Sheets

KAO$31.725.0★2 rev

Kao Merrys Pants Smooth skin air through Big size bigger 26 pieces x 3 pieces

Merries$114.445.0★15 rev

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$9.73200 rev

6mo ago

Moonkie Hug & Go Dinosaur Toddler Backpack Soft Plush Bag with Take-Along Toy for Boys Aged 24 | Ideal for Daycare Travel & Birthday Gifts

Moonkie$28.69444 rev

7mo ago

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$9.19332 rev

12mo ago

Kao Merrys Pants Larger Than Big 24 Pieces

KAO$35.141 rev

1y ago

Kao Merries Air Through Tape M 52 Sheets

KAO$31.722 rev

1y ago

What buyers say about merries diapers

What buyers praise and complain about, mined from review topics.

What buyers love

Size-Overall20%

“They fit easily in my toiletry bag”

Ease Of Cleaning12%

“did a great job cleaning”

Ease Of Use11%

“Easy to carry”

Compactness8%

“compact packaging”

Quality-Overall7%

“The quality is solid”

Soft Feel5%

“Soft to the Touch”

Value For Money5%

“GOOD VALUE”

Smell3%

“Fragrance free”

Thickness3%

“The wipes are a good thickness”

Durability3%

“the plant based material feels surprisingly durable”

What buyers complain about

Size-Overall23%

“Super small”

Ease Of Cleaning6%

“Hard to pull only one wipe out at a time”

Smell5%

“No strong fragrance”

Allergies3%

“nose are easily irritated”

Ease Of Use2%

“It is inconvenient to open”

Water Resistance2%

“NOT WATERPROOF”

Absorbency2%

“NOT ABSORBENT”

Moist/Dry2%

“they dry out”

Value For Money2%

“It was a waste of money”

Durability2%

“Glue comes off in a month”

Top return reasons

Size-Overall47%

Advertised Vs Actual Product10%

Value For Money7%

Thigh Fit5%

Waist Fit3%

Ingredients-Overall3%

Weight Heavy2%