Is 100% cotton mattress pad profitable to sell on Amazon United States?

The niche generates $153K/yr across 5 tracked products. 90-day search growth is +29.0%. Flapen's verdict: Skip it (38/100).

How competitive is the 100% cotton mattress pad niche?

2 brands and 7 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in 100% cotton mattress pad?

Top complaints mined from reviews: Water Resistance, Thickness, Quality-Overall. The return rate is 2.5%.

When does demand for 100% cotton mattress pad peak?

Demand peaks in Jun–Jul–Aug; the busiest month runs 1.7× the quietest.

What does it cost to enter the 100% cotton mattress pad niche?

Listings span $19.30–$58.13; the average listing price is $36.77 (sweet spot $15–$100). The average incumbent carries 124,886 reviews — the moat a new listing must climb.

100% cotton mattress pad

Skip it

A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.

Avg price

Incredible$36.77

avg listing price — sweet spot $15–$100

Price range

Incredible$19.30–$58.13

cheapest to priciest tracked listing — scored on the share inside $15–$100

Returns

Good2.5%

return rate — above 5% kills the launch gate

Conversion

Good5.4%

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

Growth

Good+29.0%

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

Market size

Okay$153K

$153K/yr · 77K searches

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Competition

Bad100%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Review moat

Bad124,885.8

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United States niche tracking, 100% cotton mattress pad is a $153K/yr Amazon United States market (77K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jun–Jul–Aug. Verdict: Skip it — 38/100.

Data updated Jul 29, 2026 · scored weekly · How we score niches

100% cotton mattress pad market data

Units sold / yr: 4K–5K; avg 500–750/product
Revenue / yr: $147K–$184K; units × avg price
Conversion rate: 5.4%
Avg BSR: #34
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 72 months
Avg seller age: 157 days

Competition & brand share

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

Brands

2 rising

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

100%

Top 20: 100%

Open market

SafeRest94%
PlushDeluxe6%

Demand & seasonality

Weekly Amazon search volume, last 99 weeks — +29.0% search growth over the last 90 days.

Peak months: Jun, Jul, Aug · busiest ÷ quietest = 1.7×

Open Trend

Top 100% cotton mattress pad search terms

saferest waterproof mattress protector21K/yr +40.9%4.7% conv.
saferest premium mattress protector8K/yr +45.8%5.0% conv.
saferest mattress protector8K/yr +43.2%2.6% conv.
helix mattress protector5K/yr +10.8%0.8% conv.
allergy mattress protector7K/yr +11.1%0.3% conv.
safe rest mattress protector queen5K/yr +28.1%7.5% conv.
saferest4K/yr +34.4%1.6% conv.
beautyrest mattress protector4K/yr +38.9%0.4% conv.
hypoallergenic queen mattress protector4K/yr +15.4%3.4% conv.
hypoallergenic bed cover3K/yr -1.9%0.8% conv.

All search terms

Top 100% cotton mattress pad 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★)

All 5 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

SafeRest Waterproof Queen Size Mattress Protector - Fitted with Stretchable Pockets - Machine Washable Cotton Blend Mattress Cover for Bed

SafeRest$36.224.6★280,383 rev

SafeRest Waterproof Full Size Mattress Protector - Fitted with Stretchable Pockets - Machine Washable Cotton Blend Mattress Cover for Bed

SafeRest$33.324.6★280,383 rev

SafeRest Zippered Mattress Protector - Premium 9-12 Inch Waterproof Mattress Cover for Bed - Breathable Noiseless Washable Mattress Encasement - Queen

SafeRest$58.134.6★17,807 rev

SafeRest Waterproof Mattress Protector Queen Size Absorbent Breathable Soft Fitted Bed Cover with 18 Deep Stretchable Pockets Machine Washable Queen Mattress Cover

SafeRest$19.304.6★3,570 rev

PlushDeluxe Bamboo Waterproof Mattress Protector Queen Size Ultra Soft

PlushDeluxe$36.884.6★42,286 rev

Newest

by launch date

SafeRest Waterproof Mattress Protector Queen Size Absorbent Breathable Soft Fitted Bed Cover with 18 Deep Stretchable Pockets Machine Washable Queen Mattress Cover

SafeRest$19.303,570 rev

2y ago

PlushDeluxe Bamboo Waterproof Mattress Protector Queen Size Ultra Soft

PlushDeluxe$36.8842,286 rev

9y ago

SafeRest Zippered Mattress Protector - Premium 9-12 Inch Waterproof Mattress Cover for Bed - Breathable Noiseless Washable Mattress Encasement - Queen

SafeRest$58.1317,807 rev

15y ago

SafeRest Waterproof Queen Size Mattress Protector - Fitted with Stretchable Pockets - Machine Washable Cotton Blend Mattress Cover for Bed

SafeRest$36.22280,383 rev

16y ago

SafeRest Waterproof Full Size Mattress Protector - Fitted with Stretchable Pockets - Machine Washable Cotton Blend Mattress Cover for Bed

SafeRest$33.32280,383 rev

16y ago

What buyers say about 100% cotton mattress pad

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

What buyers love

Quality-Overall17%

“It is of high quality craftsmanship”

Size-Overall16%

“It fits snugly”

Soft Feel10%

“Soft fabric”

Comfort-Overall8%

“Really comfortable”

Advertised Vs Actual Product6%

“Better than expected”

Value For Money4%

“The price was reasonable”

Water Resistance4%

“Great product that is waterproof”

Foam4%

“Good Mattress Pad”

Cushion3%

“it has a little bit of a cushiony feel”

Noise Level2%

“Quiet and works great”

What buyers complain about

Water Resistance26%

“NOT WATERPROOF”

Thickness7%

“was looking for a bit thicker material”

Quality-Overall6%

“It just felt cheap”

Leak-Proof5%

“My childs diaper leaks”

Size-Overall5%

“Its too big”

Advertised Vs Actual Product4%

“Not what is pictured”

Functionality-Overall3%

“Was unable to use this protector as it encases the entire mattress”

Noise Level2%

“This is loud”

Durability2%

“Falls Apart”

Smell2%

“Had a weird smell initially”

Top return reasons

Size-Overall27%

Material Quality13%

Advertised Vs Actual Product9%

Value For Money6%

Thin5%

Quality-Overall5%

Noise Level4%

Cushion4%

Thickness3%

Water Resistance3%

Common questions

Is 100% cotton mattress pad profitable to sell on Amazon United States?: The niche generates $153K/yr across 5 tracked products. 90-day search growth is +29.0%. Flapen's verdict: Skip it (38/100).
How competitive is the 100% cotton mattress pad niche?: 2 brands and 7 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in 100% cotton mattress pad?: Top complaints mined from reviews: Water Resistance, Thickness, Quality-Overall. The return rate is 2.5%.
When does demand for 100% cotton mattress pad peak?: Demand peaks in Jun–Jul–Aug; the busiest month runs 1.7× the quietest.
What does it cost to enter the 100% cotton mattress pad niche?: Listings span $19.30–$58.13; the average listing price is $36.77 (sweet spot $15–$100). The average incumbent carries 124,886 reviews — the moat a new listing must climb.