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Waterproof Sheet

Waterproof Sheet shows low returns (0.7%), but soft demand (-4.2% this quarter) keeps it on the watch list.

Flapen Score

50
Worth a look

Top 37% of 638 Baby Products niches · +3 vs the category median of 47

Market size 28Growth 23Conversion 54Competition 70Returns 96Price range 31Avg price 53Brand share 79Review moat 24Quality gap 35
This niche Category average · 638 niches

Is Waterproof Sheet profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Waterproof Sheet is a £122K/yr Amazon United Kingdom market (223K searches/yr). The top 5 brands hold 56% of demand. Demand peaks in Sep. Verdict: Worth a look — 50/100.

Waterproof Sheet: 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 -4.2% over the last 90 days and 4.4% of searches end in a purchase.

£122K

revenue / yr

Units sold / yr13K
Search volume / yr-4.2%223K
Conversion rate4.4%
Avg price£12.33

Who owns the niche?

The top 5 brands hold 56% of demand, so 44% of the market is open.

44%

open market share

Brands · sellers27 · 39
Top-5 product click share43%
Open market44%
Avg brand age42 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 · 40 products

Sponsored placement95%
New entrants (1y)5· 4 succeeded
Avg rating4.5★
Avg reviews6,140

Top Waterproof Sheet 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 43% of clicks — established leaders, but buyers still shop beyond them.

£0£5K£10K£15K£20K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

27 rising

Sellers

39

Top-5 brand share

56%

Top 20: 93%

Top-5 click share

43%

Top 20: 82%

Open market

39%

  • CAROLINE SHATUIK20%
  • Hygge Supplies14%
  • Silentnight9%
  • Aydmed8%
  • GuardedSleep5%
  • IMFAA5%

Waterproof Sheet demand & seasonality

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

Volume223KCVR4.4%Products40Brands27Top 5 Brands56%OOS Rate0.8%Rating4.5★Reviews6,140Avg BSR#16
5K3KSpike '25Spike '26NovDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Sep · busiest ÷ quietest = 1.6×

Top Waterproof Sheet search terms shoppers use

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

  • waterproof bed sheet45K/yr
  • waterproof sheet46K/yr
  • waterproof sheets for bed wetting24K/yr
  • waterproof bed protector21K/yr
  • bed protector waterproof8K/yr
  • waterproof sheets11K/yr
  • bed wetting mattress protector9K/yr
  • incontinence mattress protector7K/yr
  • waterproof bedding6K/yr
  • water proof bed protectors5K/yr

What reviews say buyers love and hate about Waterproof Sheet

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

What buyers love

77% of reviews
Quality-Overall17%

Excellent quality and perfectly comfortable to put onto the bed

Size-Overall13%

Fits good

Value For Money11%

reasonably priced

Advertised Vs Actual Product9%

As described

Water Resistance7%

completely waterproof

What buyers complain about

64% of reviews
Water Resistance25%

Isnt waterproof

Size-Overall8%

a little larger than most

Thickness6%

they are thick

Quality-Overall6%

Not great quality

Leak-Proof5%

Leak through

Waterproof Sheet 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
49%
2Quality-Overall
8%
3Material Quality
7%
4Water Resistance
6%
5Advertised Vs Actual Product
4%

Common Waterproof Sheet questions

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

Flapen scores Waterproof Sheet 50/100 on Amazon United Kingdom — Worth a look. The niche generates £122K/yr across 40 tracked products. 4 of 5 products launched in the last 360 days are still selling. Search demand moved -4.2% over the last 90 days.
Search demand for Waterproof Sheet on Amazon United Kingdom peaks in Sep, where the busiest month runs 1.6× the quietest.