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Waterproof Mattress Protector Super King

Fail

Shoppers spend an estimated $44K a year here, so Waterproof Mattress Protector Super King is a Fail.

Flapen Score
43
43 / 100
Ranks 4,377 of 5,777 Home & Garden niches · −8 vs the category median of 51
Market size
£44K/yr35K searches / yr
90-day growth
-15.7%search demand this quarter
Competition
59%top-5 click share · 12 brands · 17 sellers

Flapen Score

Waterproof Mattress Protector Super King against its category

The dotted line is the Home & Garden average. Past it, Waterproof Mattress Protector Super King is stronger. Inside it, weaker.

43Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Waterproof Mattress Protector Super King market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Waterproof Mattress Protector Super King 35K times last year and spent an estimated £44K. The top 5 brands take 84% of clicks. Flapen scores it 43 out of 100, a Fail.

01 · Demand

An estimated 10.3% of those searches ended in a purchase.

Shoppers searched for this 35K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 10.3% of those searches ended in a purchase. Searches in the last 90 days moved -15.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated £44K a year.

Searches, last 12 months
35K
Growth, 90 days vs prior 90
-15.7%
Conversion, latest week
10.3%
Market size, estimated
£44Ka year
Peak month
January1.4× the quietest month
Top search term
waterproof mattress protector super king16K searches a year

02 · Price

A sale here is worth £12.08.

Listings sell for £12.08 on average, from £6.80 to £26.32. Amazon reports units sold in ranges. This niche sold 5K to 6K a year. The average listing sells 100 to 250 of them. At £12.08 that is £1K to £3K a year per listing.

Average price
£12.08under the $15 to $100 sweet spot
Price range
£6.80–£26.32
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
5K–6K
Units per listing a year
100–250
Revenue per listing a year
£1K–£3K
Returns
0.8%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is ads and reviews.

100% of listings pay for placement with sponsored ads. 55% ship with Prime. On an average day, 10.8% of listings are out of stock. The average listing ranks #39 within Home Textiles. It carries 18,399 reviews at 4.50 stars, so a new listing needs social proof before a better product.

Sponsored listings
100%
Prime listings
55%
Out of stock, average day
10.8%
Average rank
#39in Home Textiles
Average rating
4.50 starsAmazon United Kingdom average 4.36 stars
Average reviews
18,399per listing
Listings tracked
22

04 · Newcomers

1 of last year's 1 launches cleared the first-year sales bar.

1 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 43 months on average, so the names here are settling in.

Launched, last 12 months
1
Successful launches
1Amazon's first-year sales bar
Average brand age
43 months

Products

Top Waterproof Mattress Protector Super King products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 28, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 59% of clicks. Leaders hold, but buyers still shop past them.

£0£2K£4K£7K£9K101001K10K100K1.0M Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

12 rising

Sellers

17

Est. top-5 brand share

84%

Top 20: 100%

Est. top-5 click share

59%

Top 20: 98%

Open market

12%

  • Utopia Bedding32%
  • CAROLINE SHATUIK20%
  • IMFAA19%
  • ZNR7%
  • Oliver Bedding6%
  • CORIWELL4%
  • Open — no brand owns it (6 brands, 12%)

Demand

Waterproof Mattress Protector Super King search demand

Weekly searches over the year, seasonality beneath. Pick a range.

1K600Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26DecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

No pronounced peak months · busiest ÷ quietest = 1.4×

Search terms

Top Waterproof Mattress Protector Super King search terms shoppers use

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

  • waterproof mattress protector super king16K/yr
  • super king waterproof mattress protector9K/yr
  • superking waterproof mattress protector extra deep7K/yr
  • super king mattress protectors waterproof3K/yr

Reviews and returns

What reviews say buyers love and hate about Waterproof Mattress Protector Super King

We read the reviews and the return reasons for every product selling here.

24%of positive reviews mention “Quality-Overall”
22%of negative reviews mention “Water Resistance”
0.8%of orders come back
“being taken out to dry - making it pointless as cant possibly be waterproof when there are holes all within the plasticy layer”
A buyer, on “Water Resistance”22% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

16 topics

NegativePositive

FAQ

Common Waterproof Mattress Protector Super King questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data