King Size Mattress Protector
King Size Mattress Protector shows searches that convert (12.6% search→purchase), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Flapen Score
Top 18% of 5,777 Home & Garden niches · +9 vs the category median of 51
Is King Size Mattress Protector profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, King Size Mattress Protector is a £1.0M/yr Amazon United Kingdom market (667K searches/yr). The top 5 brands hold 64% of demand. Verdict: Worth a look — 60/100.
King Size Mattress Protector: 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 -12.0% over the last 90 days and 12.6% of searches end in a purchase.
£1.0M
revenue / yr
Who owns the niche?
The top 5 brands hold 64% of demand, so 36% of the market is open.
36%
open market share
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 · 31 products
Top King Size Mattress Protector products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 90-day click share
Caroline Shatuik King Size Mattress Protector fitted Quilted Extra Deep 40cm Stretch Skirt Anti Allergy Mattress Cover (152 x 200) Not-Waterproof
- Price
- £10.38
- Rating
- 4.5/5
- Reviews
- 7,499
- Age
- 5y ago
Caroline Shatuik Waterproof Mattress Protector King |40cm Extra Deep Fitted King Size Waterproof Bed Protector Topper | Non Noisy & Breathable Mattress Cover King Size Bed(152 X 200 +40CM)
- Price
- £9.89
- Rating
- 4.5/5
- Reviews
- 11,349
- Age
- 4y ago
Aaf Textiles King Quilted Mattress Protector Anti Allergy Extra Deep Pocket Fitted Hypoallergenic Hotel Quality Super Soft Brushed Fabric White
- Price
- £9.54
- Rating
- 4.4/5
- Reviews
- 5,705
- Age
- 9y ago
Utopia Bedding Quilted Mattress Topper King Bed Mattress Protector Cover Quilted Pad Soft Breathable Deep Fitted Elastic King 150 x 200 + 38 cm White
- Price
- £8.20
- Rating
- 4.5/5
- Reviews
- 157,536
- Age
- 8y ago
Moonlight Bedding King Size Mattress Protector - 30cm Deep Hotel Quality Mattress Cover Soft & Breathable Mattress Topper(150x200+30cm)
- Price
- £8.16
- Rating
- 4.3/5
- Reviews
- 770
- Age
- 3y ago
Trending
90-day click momentum
UNIVERSAL COMFORT 100% Waterproof Mattress Protector King Size Extra Deep 40cm Fitted Stretch Skirt - Breathable & Anti-Allergy Mattress Cover For Ultimate Comfort (King 150x200cm)
- Price
- £18.61
- Rating
- 4.8/5
- Reviews
- 35
- Age
- 5mo ago
Magna Collection Waterproof Mattress Protector Soft Super Absorbent Non-Slip and Non-Allergenic Machine Washable Mattress Cover Fits up to 30cm Deep (King)
- Price
- £10.65
- Rating
- 4.4/5
- Reviews
- 81
- Age
- 11mo ago
PlushDeluxe Premium Bamboo Mattress Protector Waterproof Hypoallergenic & Ultra Soft Breathable Bed Mattress Cover & Protection -Free PVC Phthalate (UK King Size) White
- Price
- £22.61
- Rating
- 4.5/5
- Reviews
- 35,364
- Age
- 2y ago
Waterproof Mattress Protector King 150 x 200 cm Fits Up to 30 cm Deep Mattresses Premium Terry King Mattress Protector All Around Elastic King Mattress Cover by Utopia Bedding
- Price
- £7.48
- Rating
- 4.6/5
- Reviews
- 108,982
- Age
- 4y ago
4AS Quilted King Size Mattress Protector 110 GSM Microfiber Filling Hypoallergenic Deep Fitted Breathable Mattress Topper Stretches up to 30 cm (King - 150x200 cm)
- Price
- £12.27
- Rating
- 4.5/5
- Reviews
- 212
- Age
- 2y ago
Newest
by launch dateUNIVERSAL COMFORT 100% Waterproof Mattress Protector King Size Extra Deep 40cm Fitted Stretch Skirt - Breathable & Anti-Allergy Mattress Cover For Ultimate Comfort (King 150x200cm)
- Price
- £18.61
- Rating
- 4.8/5
- Reviews
- 35
- Age
- 5mo ago
Magna Collection Waterproof Mattress Protector Soft Super Absorbent Non-Slip and Non-Allergenic Machine Washable Mattress Cover Fits up to 30cm Deep (King)
- Price
- £10.65
- Rating
- 4.4/5
- Reviews
- 81
- Age
- 11mo ago
Salt Valley Quilted King Size Mattress Protector Extra Deep 30cm Fitted Skirt Anti-Allergenic & Machine Washable Microfiber Mattress Cover (White 152x200 cm)
- Price
- £17.70
- Rating
- 4.5/5
- Reviews
- 152
- Age
- 11mo ago
LOOMERIG Hypoallergenic King Size Mattress Protector (152x200cm) - Extra Deep Fitted Quilted Mattress Protector for Comfortable Sleep
- Price
- £14.45
- Rating
- 4.6/5
- Reviews
- 206
- Age
- 1y ago
Acrali Home Quilted King Size Mattress Protector UltraSoft 3-Layer Design with Deep Fitted Skirt Breathable & Anti-Allergy Machine Washable Bed Cover (150x200+35cm)
- Price
- £10.30
- Rating
- 4.4/5
- Reviews
- 680
- Age
- 1y ago
Competition: brands, sellers & click share
The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.
Brands
21 rising
Sellers
34
Top-5 brand share
64%
Top 20: 99%
Top-5 click share
49%
Top 20: 89%
Open market
31%
- CAROLINE SHATUIK30%
- Utopia Bedding12%
- Aaf Textiles9%
- Silentnight7%
- ACRALI HOME6%
- 4AS6%
King Size Mattress Protector demand & seasonality
Weekly search volume, with the niche's key stats alongside.
No pronounced peak months · busiest ÷ quietest = 1.3×
Top King Size Mattress Protector search terms shoppers use
The exact queries shoppers type, with 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
What reviews say buyers love and hate about King Size Mattress Protector
What buyers mention most, as a share of all reviews.
What buyers love
85% of reviews“EXCELLENT QUALITY”
“Easy fit”
“Cheap price”
“As advertised”
“So comfortable”
What buyers complain about
62% of reviews“the quality control just isn't there”
“Quite a thin item”
“No longer waterproof after washing”
“it was far too small”
“Photos are misleading”
King Size Mattress Protector return rate & reasons
Why buyers send it back, as a share of all return requests.
0.9%
Return rate
47%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common King Size Mattress Protector questions
The questions sellers ask about this niche, answered from the tracked metrics.
Related niches
Same-category niches scoring near this one — the next ones worth researching.
Best Flapen score
The highest-scoring niches we track right now, across every category.
