Waterproof Mattress Protector King Size
Waterproof Mattress Protector King Size shows searches that convert (14.3% search→purchase), but a deep review moat (22,651 avg reviews) keeps it on the watch list.
Flapen Score
Is Waterproof Mattress Protector King Size profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, Waterproof Mattress Protector King Size is a £267K/yr Amazon United Kingdom market (163K searches/yr). The top 5 brands hold 79% of demand. Verdict: Worth a look — 50/100.
Waterproof Mattress Protector King Size: 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 -8.5% over the last 90 days and 14.3% of searches end in a purchase.
£267K
revenue / yr
Who owns the niche?
The top 5 brands hold 79% of demand, so 21% of the market is open.
21%
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 · 23 products
Top Waterproof Mattress Protector King Size 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 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
Silentnight Waterproof Mattress Protector King - Quiet Rustle Free Waterproof Resistant Sheet Moisture Proof Mattress Pad Cover - Machine Washable and Hypoallergenic - King
- Price
- £13.65
- Rating
- 4.5/5
- Reviews
- 3,713
- Age
- 5y ago
Acrali Home 100% Waterproof Mattress Protector King Size Bed Fitted Extra Deep 40cm Skirt Premium Terry Cotton Hypoallergenic King Size Mattress Protector 150x200cm - Washable Nonslip Cover Sheet
- Price
- £10.66
- Rating
- 4.5/5
- Reviews
- 1,725
- Age
- 2y ago
Waterproof Mattress Protector King Bed 150 x 200 cm Fits Up to 40 cm Deep Mattresses Premium Terry Mattress Protector by Utopia Bedding
- Price
- £7.51
- Rating
- 4.6/5
- Reviews
- 108,982
- Age
- 8y ago
Utopia Bedding Premium Waterproof Mattress Encasement King Bed (150 x 200 x 30 cm) Zippered Mattress Protector Bed Bug & Dust Mite Proof White (Pack of 1)
- Price
- £10.52
- Rating
- 4.5/5
- Reviews
- 12,841
- Age
- 7y ago
Trending
90-day click momentum
Utopia Bedding Waterproof Mattress Protector 180 x 200 cm for Mattresses up to 30 cm High Lightweight and Soft Jersey Mattress Cover with Stretchable Sides - White
- Price
- £8.04
- Rating
- 4.4/5
- Reviews
- 630
- Age
- 2y ago
ECOBIZ 100% Waterproof Mattress Protector King Size Bed 152x200 Extra Deep 30CM Fitted Skirt Soft Super Absorbent Non-noisy Cotton Terry Cover Breathable Hypoallergenic Washable Kingsize Sheet
- Price
- £10.71
- Rating
- 4.4/5
- Reviews
- 7,424
- Age
- 4y ago
4AS 100% Waterproof Mattress Protector Super Absorbent & Aloe Vera Treated Terry Towel with Deep 30cm Fitted Skirt for Extra Comfort King Size Mattress Protector (150x200+30 cm)
- Price
- £11.12
- Rating
- 4.6/5
- Reviews
- 95
- Age
- 2y ago
BEDLORE Waterproof King Size Mattress Protector Brushed Microfiber with Upgraded TPU Layer Deep Pocket Hypoallergenic Breathable Noiseless Oeko-tex Mattresses Cover (White)
- Price
- £21.33
- Rating
- 4.8/5
- Reviews
- 951
- Age
- 7mo 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
Newest
by launch dateBEDLORE Waterproof King Size Mattress Protector Brushed Microfiber with Upgraded TPU Layer Deep Pocket Hypoallergenic Breathable Noiseless Oeko-tex Mattresses Cover (White)
- Price
- £21.33
- Rating
- 4.8/5
- Reviews
- 951
- Age
- 7mo ago
HUAXITRA Waterproof Mattress Protector King Size Bed with 30CM Extra Deep Skirt Fitted Sheet Protects King Size Mattress Protector Anti Allergy Breathable Mattress Bed Sheet Covers (150x200cm)
- Price
- £16.48
- Rating
- 4.5/5
- Reviews
- 69
- Age
- 1y ago
Waterproof Mattress Protector King Size Quilted King Mattress Protectors Fits Mattresses up to 30cm Deep Breathable Super King Topper-White
- Price
- £10.80
- Rating
- 4.6/5
- Reviews
- 555
- Age
- 1y ago
4AS 100% Waterproof Mattress Protector Super Absorbent & Aloe Vera Treated Terry Towel with Deep 30cm Fitted Skirt for Extra Comfort King Size Mattress Protector (150x200+30 cm)
- Price
- £11.12
- Rating
- 4.6/5
- Reviews
- 95
- Age
- 2y ago
Acrali Home 100% Waterproof Mattress Protector King Size Bed Fitted Extra Deep 40cm Skirt Premium Terry Cotton Hypoallergenic King Size Mattress Protector 150x200cm - Washable Nonslip Cover Sheet
- Price
- £10.66
- Rating
- 4.5/5
- Reviews
- 1,725
- Age
- 2y ago
Competition: brands, sellers & click share
The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.
Brands
14 rising
Sellers
22
Top-5 brand share
79%
Top 20: 100%
Top-5 click share
57%
Top 20: 96%
Open market
17%
- Utopia Bedding25%
- CAROLINE SHATUIK25%
- Silentnight11%
- ACRALI HOME11%
- IMFAA8%
- Oliver Bedding4%
- Open — no brand owns it (8 brands, 17%)
Waterproof Mattress Protector King Size demand & seasonality
Weekly search volume, with the niche's key stats alongside.
No pronounced peak months · busiest ÷ quietest = 1.3×
Top Waterproof Mattress Protector King Size search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- king size waterproof mattress protector38K/yr
- waterproof mattress protector king size37K/yr
- king size mattress protector waterproof19K/yr
- waterproof mattress protector king14K/yr
- waterproof king size mattress protector8K/yr
- kingsize waterproof mattress protector fitted10K/yr
- water proof mattress protector king size bed fitted6K/yr
- king-size waterproof mattress protector5K/yr
- king waterproof mattress protector4K/yr
- king size waterproof sheet3K/yr
What reviews say buyers love and hate about Waterproof Mattress Protector King Size
What buyers mention most, as a share of all reviews.
What buyers love
82% of reviews“Seems well made”
“Easy fit”
“Just what I needed”
“Excellent price”
“Completely waterproof”
What buyers complain about
68% of reviews“Not water proof”
“it was far too small”
“the quality control just isn't there”
“Made a noise when moving around in bed”
“Its not 100% cotton”
Waterproof Mattress Protector King Size return rate & reasons
Why buyers send it back, as a share of all return requests.
0.8%
Return rate
63%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common Waterproof Mattress Protector King Size 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.
