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King Size Mattress Protector

Maybe

Buyers convert on 12.6% of searches. But the average product has 18,562 reviews to catch up to, so King Size Mattress Protector is a Maybe.

Flapen Score
60
60 / 100
Top 18% of 5,777 Home & Garden niches · +9 vs the category median of 51
Market size
£1.0M/yr667K searches / yr
90-day growth
-12.0%search demand this quarter
Competition
49%top-5 click share · 21 brands · 34 sellers

Flapen Score

King Size Mattress Protector against its category

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

60Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The King Size Mattress Protector market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for King Size Mattress Protector 667K times last year and spent an estimated £1.0M. The top 5 brands take 64% of clicks. Flapen scores it 60 out of 100, a Maybe.

01 · Demand

An estimated 12.6% of those searches ended in a purchase.

Shoppers searched for this 667K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 12.6% of those searches ended in a purchase. Searches in the last 90 days moved -12.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated £1.0M a year.

Searches, last 12 months
667K
Growth, 90 days vs prior 90
-12.0%
Conversion, latest week
12.6%
Market size, estimated
£1.0Ma year
Peak month
January1.3× the quietest month
Top search term
king size mattress protector258K searches a year

02 · Price

A sale here is worth £12.15.

Listings sell for £12.15 on average, from £6.64 to £22.61. Amazon reports units sold in ranges. This niche sold 80K to 100K a year. The average listing sells 2,500 to 3,000 of them. At £12.15 that is £30K to £36K a year per listing.

Average price
£12.15under the $15 to $100 sweet spot
Price range
£6.64–£22.61
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
80K–100K
Units per listing a year
2,500–3,000
Revenue per listing a year
£30K–£36K
Returns
0.9%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is ads and reviews.

97% of listings pay for placement with sponsored ads. 77% ship with Prime. On an average day, 5.0% of listings are out of stock. The average listing ranks #37 within Home Textiles. It carries 18,562 reviews at 4.48 stars, so a new listing needs social proof before a better product.

Sponsored listings
97%
Prime listings
77%
Out of stock, average day
5.0%
Average rank
#37in Home Textiles
Average rating
4.48 starsAmazon United Kingdom average 4.36 stars
Average reviews
18,562per listing
Listings tracked
31

04 · Newcomers

3 of last year's 5 launches cleared the first-year sales bar.

5 products launched here in the last 12 months. 3 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 52 months on average, so the names here are settling in.

Launched, last 12 months
5
Successful launches
3Amazon's first-year sales bar
Average brand age
52 months

Products

Top King Size Mattress Protector 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 49% of clicks. Leaders hold, but buyers still shop past them.

£0£41K£82K£122K£163K101001K10K100K1.0M Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

21 rising

Sellers

34

Est. top-5 brand share

64%

Top 20: 99%

Est. top-5 click share

49%

Top 20: 89%

Open market

31%

  • CAROLINE SHATUIK30%
  • Utopia Bedding12%
  • Aaf Textiles9%
  • Silentnight7%
  • ACRALI HOME6%
  • 4AS6%

Demand

King Size Mattress Protector search demand

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

18K13KSpike '24Prime Day '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

Search terms

Top King Size Mattress Protector search terms shoppers use

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

  • king size mattress protector258K/yr
  • mattress protector king size116K/yr
  • mattress protector kingsize bed59K/yr
  • kingsize mattress protectors47K/yr
  • king mattress protector36K/yr
  • king size mattress cover25K/yr
  • mattress cover king size bed23K/yr
  • mattress king size protector17K/yr
  • mattress protector king19K/yr
  • kingsize mattress protector14K/yr

Reviews and returns

What reviews say buyers love and hate about King Size Mattress Protector

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

26%of positive reviews mention “Quality-Overall”
13%of negative reviews mention “Quality-Overall”
0.9%of orders come back
“the quality control just isn't there”
A buyer, on “Quality-Overall”13% 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.

15 topics

NegativePositive

FAQ

Common King Size Mattress Protector 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