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Waterproof Mattress Protector Double

Waterproof Mattress Protector Double shows low returns (0.7%), but a deep review moat (21,431 avg reviews) keeps it on the watch list.

Flapen Score

50
Worth a look
Market size 71Growth 17Conversion 81Competition 50Returns 97Price range 30Avg price 25Brand share 40Review moat 16Quality gap 38
This niche Category average

Is Waterproof Mattress Protector Double profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Waterproof Mattress Protector Double is a £765K/yr Amazon United Kingdom market (989K searches/yr). The top 5 brands hold 81% of demand. Verdict: Worth a look — 50/100.

Waterproof Mattress Protector Double: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved -15.8% over the last 90 days and 8.6% of searches end in a purchase.

£765K

revenue / yr

Units sold / yr100K
Search volume / yr-15.8%989K
Conversion rate8.6%
Avg price£9.04

Who owns the niche?

The top 5 brands hold 81% of demand, so 19% of the market is open.

19%

open market share

Brands · sellers15 · 21
Top-5 product click share55%
Open market19%
Avg brand age52 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.

0/100

page quality · 25 products

Sponsored placement96%
New entrants (1y)3· 2 succeeded
Avg rating4.5★
Avg reviews21,431

Top Waterproof Mattress Protector Double products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.

£0£38K£77K£115K£153K101001K10K100K1.0M Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

15 rising

Sellers

21

Top-5 brand share

81%

Top 20: 100%

Top-5 click share

55%

Top 20: 94%

Open market

16%

  • CAROLINE SHATUIK33%
  • Utopia Bedding19%
  • Silentnight12%
  • Yorkshire Bedding11%
  • ACRALI HOME7%
  • IMFAA3%
  • Open — no brand owns it (9 brands, 16%)

Waterproof Mattress Protector Double demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume989KCVR8.6%Products25Brands15Top 5 Brands81%OOS Rate6.5%Rating4.5★Reviews21,431Avg BSR#20
23K18KPrime Day '25Spike '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Top Waterproof Mattress Protector Double search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • waterproof mattress protector664K/yr
  • waterproof mattress protector double64K/yr
  • double waterproof mattress protector45K/yr
  • double mattress protector waterproof37K/yr
  • water proof mattress protector double bed fitted26K/yr
  • waterproof double mattress protector23K/yr
  • mattress protector waterproof20K/yr
  • waterproof mattress cover17K/yr
  • waterproof mattress protector double bed16K/yr
  • double bed waterproof mattress protector11K/yr

What reviews say buyers love and hate about Waterproof Mattress Protector Double

What buyers mention most, as a share of all reviews.

What buyers love

79% of reviews
Quality-Overall20%

Top quality mattress cover

Size-Overall16%

Easy fit

Value For Money11%

Value for money

Advertised Vs Actual Product9%

As described

Water Resistance9%

completely waterproof

What buyers complain about

66% of reviews
Water Resistance30%

NOT WATERPROOF

Quality-Overall7%

Cheaply made

Size-Overall6%

the fit is slightly looser than expected

Thickness5%

Not a lot of depth

Noise Level4%

Very noisy

Waterproof Mattress Protector Double return rate & reasons

Why buyers send it back, as a share of all return requests.

0.7%

Return rate

62%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Size-Overall
52%
2Quality-Overall
10%
3Material Quality
9%
4Noise Level
4%
5Water Resistance
4%

Common Waterproof Mattress Protector Double questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Waterproof Mattress Protector Double 50/100 on Amazon United Kingdom — Worth a look. The niche generates £765K/yr across 25 tracked products. 2 of 3 products launched in the last 360 days are still selling. Search demand moved -15.8% over the last 90 days.
Search demand for Waterproof Mattress Protector Double on Amazon United Kingdom is steady year-round — the busiest month runs 1.4× the quietest.