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Super King Mattress Protectors

Super King Mattress Protectors shows searches that convert (13.3% search→purchase), but soft demand (-17.8% this quarter) keeps it on the watch list.

Flapen Score

52
Worth a look
Market size 56Growth 16Conversion 96Competition 38Returns 96Price range 58Avg price 66Brand share 48Review moat 17Quality gap 40
This niche Category average

Is Super King Mattress Protectors profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Super King Mattress Protectors is a £405K/yr Amazon United Kingdom market (219K searches/yr). The top 5 brands hold 76% of demand. Verdict: Worth a look — 52/100.

Super King Mattress Protectors: 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 -17.8% over the last 90 days and 13.3% of searches end in a purchase.

£405K

revenue / yr

Units sold / yr30K
Search volume / yr-17.8%219K
Conversion rate13.3%
Avg price£13.90

Who owns the niche?

The top 5 brands hold 76% of demand, so 24% of the market is open.

24%

open market share

Brands · sellers15 · 23
Top-5 product click share62%
Open market24%
Avg brand age49 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 · 23 products

Sponsored placement96%
New entrants (1y)4· 1 succeeded
Avg rating4.5★
Avg reviews18,244

Top Super King Mattress Protectors 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 62% of clicks — established leaders, but buyers still shop beyond them.

£0£41K£81K£122K£162K101001K10K100K1.0M Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

15 rising

Sellers

23

Top-5 brand share

76%

Top 20: 100%

Top-5 click share

62%

Top 20: 96%

Open market

19%

  • IMFAA29%
  • CAROLINE SHATUIK19%
  • Utopia Bedding14%
  • Oliver Bedding8%
  • Silentnight6%
  • 4AS5%

Super King Mattress Protectors demand & seasonality

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

Volume219KCVR13.3%Products23Brands15Top 5 Brands76%OOS Rate1.4%Rating4.5★Reviews18,244Avg BSR#43
6K4KSpike '24Prime Day '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

Top Super King Mattress Protectors search terms shoppers use

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

  • super king mattress protectors76K/yr
  • superking mattress protectors57K/yr
  • mattress protector super king size32K/yr
  • super king mattress protector20K/yr
  • super king size mattress protector14K/yr
  • super king mattress cover6K/yr
  • superking mattress protector7K/yr
  • mattress protector super king7K/yr

What reviews say buyers love and hate about Super King Mattress Protectors

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

What buyers love

84% of reviews
Quality-Overall27%

Good quality, washable, waterproof, fast delivery

Size-Overall21%

Fits well

Value For Money9%

Good value

Water Resistance8%

Very water proof

Comfort-Overall8%

very comfy

What buyers complain about

70% of reviews
Thickness14%

not as thick as shown

Size-Overall13%

Bigger than I expected

Water Resistance11%

being taken out to dry - making it pointless as cant possibly be waterproof when there are holes all within the plasticy layer

Quality-Overall11%

Not the best

Value For Money4%

Not worth the money

Super King Mattress Protectors return rate & reasons

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

0.8%

Return rate

45%

Fixable by listing

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

1Size-Overall
36%
2Water Resistance
11%
3Material Quality
11%
4Quality-Overall
9%
5Noise Level
7%

Common Super King Mattress Protectors questions

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

Flapen scores Super King Mattress Protectors 52/100 on Amazon United Kingdom — Worth a look. The niche generates £405K/yr across 23 tracked products. 1 of 4 products launched in the last 360 days are still selling. Search demand moved -17.8% over the last 90 days.
Search demand for Super King Mattress Protectors on Amazon United Kingdom is steady year-round — the busiest month runs 1.3× the quietest.