Is waterproof mattress profitable to sell on Amazon United States?

The niche generates $361K/yr across 40 tracked products. 4 of 7 products launched in the last 360 days are still selling. 90-day search growth is +1.3%. Flapen's verdict: Worth a look (52/100).

How competitive is the waterproof mattress niche?

25 brands and 31 sellers compete. The top 5 products take 44% of clicks and top 5 brands hold 56% of demand.

What do buyers complain about in waterproof mattress?

Top complaints mined from reviews: Water Resistance, Leak-Proof, Thickness. The return rate is 1.4%.

When does demand for waterproof mattress peak?

Demand peaks in Sep; the busiest month runs 4.2× the quietest.

What does it cost to enter the waterproof mattress niche?

Listings span $9.50–$430.20; the average listing price is $147.72 (sweet spot $15–$100). The average incumbent carries 10,477 reviews — the moat a new listing must climb.

waterproof mattress

Worth a look

Shows low returns (1.4%), but prices mostly outside the sweet spot ($9.50–$430.20) keeps it on the watch list.

Returns

Great1.4%

return rate — above 5% kills the launch gate

Brand share

Great56%

top-5 brand share — no brand owns this niche

Competition

Good44%

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

Avg price

Good$147.72

avg listing price — sweet spot $15–$100

Market size

Good$361K

$361K/yr · 117K searches

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Growth

Okay+1.3%

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

Conversion

Okay2.1%

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

Review moat

Bad10,476.53

avg incumbent reviews — the moat a new listing must climb

Price range

Bad$9.50–$430.20

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

Signals No Dominant Brand Low Review Barrier High Price

According to Flapen's Amazon United States niche tracking, waterproof mattress is a $361K/yr Amazon United States market (117K searches/yr). The top 5 brands hold 56% of demand. Demand peaks in Sep. Verdict: Worth a look — 52/100.

Data updated Jul 30, 2026 · scored weekly · How we score niches

waterproof mattress market data

Units sold / yr: 2K–3K; avg 0–100/product
Revenue / yr: $295K–$369K; units × avg price
Conversion rate: 2.1%
Avg BSR: #512
Page quality: 0%
Prime: 70%
Sponsored: 78%
Out of stock: 6.3%
Avg brand age: 45 months
Avg seller age: 173 days

Competition & brand share

The top 5 products take 44% of clicks — established leaders, but buyers still shop beyond them.

Brands

25 rising

Sellers

Top-5 brand share

56%

Top 20: 97%

Top-5 click share

44%

Top 20: 84%

Open market

38%

Greaton16%
FORTNIGHT BEDDING12%
Foam Global12%
Drive Medical9%
Qinazoe8%
BEDLORE6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +1.3% search growth over the last 90 days.

Peak months: Sep · busiest ÷ quietest = 4.2×

Open Trend

Top waterproof mattress search terms

waterproof mattress38K/yr +1.7%0.6% conv.
waterproof twin mattress26K/yr +9.0%1.2% conv.
twin mattress waterproof14K/yr -9.4%2.0% conv.
vinyl mattress8K/yr +22.7%0.8% conv.
twin waterproof mattress8K/yr -8.2%2.7% conv.
plastic mattress5K/yr +7.8%0.6% conv.
water proof mattress5K/yr -12.3%0.7% conv.
waterproof mattress twin4K/yr +6.6%3.1% conv.
rubber mattress4K/yr -7.2%0.3% conv.
water proof twin mattress3K/yr -9.0%1.5% conv.

All search terms

Top waterproof mattress 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 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Greaton 7-Inch Medium Firm Water Resistance Nylon Vinyl Foam Mattress Noiseless Soft Cloud Feeling Body Heat Reflection Good for Hospital and Camp Twin Blue

Greaton$148.453.5★9 rev

Foam Global Outdoor Waterproof Mattress 8-Inch Twin Size Easy to Clean Comfortable Foam Mattress Made in USA

Foam Global$194.555.0★26 rev

Drive Medical 15076 Decompressing Foam Mattress 80 x 36 Inch Blue

Drive Medical$144.954.6★1,729 rev

FORTNIGHT BEDDING 3-Inch Foam Mattress with Water Resistant Vinyl Cover Firm Mattress Sleep Mattress for Kids and Adults Mattress in a Box CertiPUR-US Certified Made in USA (Narrow Twin)

FORTNIGHT BEDDING$132.732.9★42 rev

Qinazoe Twin Mattress Waterproof 6 Inch Twin Mattress for Kids Made in USA with Diamond-Quilted Breathable Fabric Medium Firm Feel Mattress in a Box Navy Blue (Twin)

Qinazoe$60.574.8★5 rev

Newest

by launch date

CHIUSNOOZE Twin 6 Inch Waterproof Memory Foam Mattress for Guest Bedroom

CHIUSNOOZE$79.330 rev

1mo ago

Qinazoe Twin Mattress Waterproof 6 Inch Twin Mattress for Kids Made in USA with Diamond-Quilted Breathable Fabric Medium Firm Feel Mattress in a Box Navy Blue (Twin)

Qinazoe$60.575 rev

7mo ago

Greaton 7-Inch Medium Firm Water Resistance Nylon Vinyl Foam Mattress Noiseless Soft Cloud Feeling Body Heat Reflection Good for Hospital and Camp Twin Blue

Greaton$148.459 rev

10mo ago

Greaton 7-Inch Medium Firm Water Resistance Nylon Vinyl Foam Mattress Noiseless Soft Cloud Feeling Body Heat Reflection Good for Hospital and Camp Twin Blue

Greaton$136.042 rev

10mo ago

Greaton 7-Inch Medium Firm Water Resistance Nylon Vinyl Foam Mattress Noiseless Soft Cloud Feeling Body Heat Reflection Good for Hospital and Camp Twin Blue

Greaton$137.878 rev

11mo ago

What buyers say about waterproof mattress

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

What buyers love

Size-Overall15%

“Awesome Fit”

Quality-Overall14%

“Amazing quality”

Comfort-Overall11%

“is super comfortable to me”

Soft Feel7%

“Soft fabric”

Value For Money7%

“Great value”

Water Resistance5%

“Waterproof mattress”

Advertised Vs Actual Product5%

“Better than expected”

Foam4%

“Great Memory Foam Mattress”

Cushion2%

“It is so well cushioned that it can serve as both a protector”

Ease Of Use2%

“Easy peasy”

What buyers complain about

Water Resistance29%

“NOT WATER PROOF”

Leak-Proof7%

“Leaked through”

Thickness5%

“It is thick”

Quality-Overall5%

“Poor Quality Control”

Advertised Vs Actual Product4%

“Description is inaccurate”

Size-Overall4%

“Not true to size”

Functionality-Overall3%

“it is not effective”

Moist/Dry2%

“Everything was dry”

Durability2%

“Not durable”

Value For Money2%

“Price is way to much for something that isn't as it says”

Top return reasons

Size-Overall42%

Material Quality8%

Advertised Vs Actual Product7%

Value For Money5%

Thin4%

Thickness3%

Water Resistance3%

Quality-Overall3%

Color3%

Noise Level2%

Common questions

Is waterproof mattress profitable to sell on Amazon United States?: The niche generates $361K/yr across 40 tracked products. 4 of 7 products launched in the last 360 days are still selling. 90-day search growth is +1.3%. Flapen's verdict: Worth a look (52/100).
How competitive is the waterproof mattress niche?: 25 brands and 31 sellers compete. The top 5 products take 44% of clicks and top 5 brands hold 56% of demand.
What do buyers complain about in waterproof mattress?: Top complaints mined from reviews: Water Resistance, Leak-Proof, Thickness. The return rate is 1.4%.
When does demand for waterproof mattress peak?: Demand peaks in Sep; the busiest month runs 4.2× the quietest.
What does it cost to enter the waterproof mattress niche?: Listings span $9.50–$430.20; the average listing price is $147.72 (sweet spot $15–$100). The average incumbent carries 10,477 reviews — the moat a new listing must climb.

waterproof mattress

waterproof mattress market data

Competition & brand share

Demand & seasonality

Top waterproof mattress search terms

Top waterproof mattress products on Amazon

Top sellers

Newest

Trending

What buyers say about waterproof mattress

What buyers love

What buyers complain about

Top return reasons

Common questions

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