waterproof mattress protector double
Worth a lookShows low returns (0.7%), but a deep review moat (21,431 avg reviews) keeps it on the watch list.
Returns
Incredible0.7%return rate — above 5% kills the launch gate
Conversion
Great8.6%search→purchase rate — share of searches ending in a sale
Market size
Good£765K£765K/yr · 989K searches
Competition
Okay55%top-5 click share — leaders hold, buyers still browse
Brand share
Okay81%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Price range
Okay£5.18–£19.18cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Okay£9.04avg listing price — sweet spot $15–$100
Growth
Bad-15.8%90-day search growth — must beat 0% to launch
Review moat
Bad21,430.68avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United Kingdom niche tracking, waterproof mattress protector double is a £765K/yr Amazon United Kingdom market (989K searches/yr). The top 5 brands hold 81% of demand. Verdict: Worth a look — 50/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
waterproof mattress protector double market data
- Units sold / yr
- 80K–100K
- avg 3,000–4,000/product
- Revenue / yr
- £723K–£904K
- units × avg price
- Conversion rate
- 8.6%
- Avg BSR
- #20
- Page quality
- 0%
- Prime
- 64%
- Sponsored
- 96%
- Out of stock
- 6.5%
- Avg brand age
- 52 months
- Avg seller age
- 191 days
Competition & brand share
The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.Brands
15 rising
Sellers
21
Top-5 brand share
81%
Top 20: 100%
Top-5 click share
55%
Top 20: 94%
Open market
16%
- CAROLINE SHATUIK33%
- Utopia Bedding19%
- Silentnight12%
- Yorkshire Bedding11%
- ACRALI HOME7%
- IMFAA3%
- Open — no brand owns it (9 brands, 16%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -15.8% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top waterproof mattress protector double search terms
- waterproof mattress protector664K/yr
- waterproof mattress protector double64K/yr
- double waterproof mattress protector45K/yr
- double mattress protector waterproof37K/yr
- water proof mattress protector double bed fitted26K/yr
- waterproof double mattress protector23K/yr
- mattress protector waterproof20K/yr
- waterproof mattress cover17K/yr
- waterproof mattress protector double bed16K/yr
- double bed waterproof mattress protector11K/yr
Top waterproof mattress protector double products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Caroline Shatuik 100% Waterproof Mattress Protector Double-30cm Extra Deep Stretch Skirt Non-Noisy Terry Top Fitted Mattress Protector Double Bed Cover(137x190cm)
CAROLINE SHATUIK£9.064.5★11,349 rev
Caroline Shatuik Waterproof Mattress Protector Single 30cm Extra Deep Stretch Skirt Non-Noisy Terry Top Single Mattress Cover Single Bed(90 x 190cm)
CAROLINE SHATUIK£6.834.5★11,349 rev
Yorkshire Bedding 100% Waterproof Mattress Protector - 30cm Deep Skirt Mattress Protector Double Bed - Non Noisy & Super Absorbent Terry Towel Mattress Cover (137x190cm)
Yorkshire Bedding£7.474.6★1,310 rev
Silentnight Waterproof Mattress Protector Single - Quiet Rustle Free Waterproof Resistant Sheet Moisture Proof Mattress Pad Cover - Machine Washable and Hypoallergenic - Single
Silentnight£9.124.6★4,300 rev
Acrali Home 100% Waterproof Mattress Protector Double Bed With Extra Deep 40 CM Skirt Premium Terry Towel Cotton Anti Allergy Double Mattress Protector - Washable & Nonslip Mattress Cover
ACRALI HOME£9.694.5★1,725 rev
Newest
by launch date
BEDLORE Waterproof Double Mattress Protector Brushed Microfiber with Upgraded TPU Layer Deep Pocket Hypoallergenic Breathable Noiseless Oeko-tex Mattresses Cover (Gray)
BEDLORE£19.18951 rev
Magna Collection Waterproof Mattress Protector Soft Super Absorbent Non-Slip and Non-Allergenic Machine Washable Mattress Cover Fits up to 30cm Deep (Double)
MAGNA COLLECTION£9.8681 rev
Lakhmaali Quilted Waterproof Double Bed Mattress Protector 4-Layer Super Absorbent Extra Deep 35cm Fitted Skirt Hypoallergenic & Breathable Washable Mattress Covers for Home & Hotel Use-137X190cm
Lakhmaali£11.86200 rev
Oliver Bedding Quilted Double Mattress Protector (137x191 cm) Waterproof Mattresses Protector Double Bed Fits Mattress up to 30cm Deep Breathable Bed Mattresses Cover White
Oliver Bedding£9.98555 rev
Yorkshire Bedding 100% Waterproof Mattress Protector - 30cm Deep Skirt Mattress Protector Double Bed - Non Noisy & Super Absorbent Terry Towel Mattress Cover (137x190cm)
Yorkshire Bedding£7.471,310 rev
Trending
90-day click momentum
BedOre 100% Waterproof Mattress Protector Terry Top - Extra Deep 40cm Fitted Skirt - Mattress Protector Double Bed - Super Absorbent - Double (137x190) cm - Extra Deep
Bed'Ore£7.914.5★
Waterproof Mattress Protector Single Bed 90 x 190 cm Fits Up to 30 cm Deep Mattresses Premium Terry Single Mattress Protector All Around Elastic Single Mattress Cover by Utopia Bedding
Utopia Bedding£5.184.6★
BEDLORE Waterproof Double Mattress Protector Brushed Microfiber with Upgraded TPU Layer Deep Pocket Hypoallergenic Breathable Noiseless Oeko-tex Mattresses Cover (Gray)
BEDLORE£19.184.8★
Magna Collection Waterproof Mattress Protector Soft Super Absorbent Non-Slip and Non-Allergenic Machine Washable Mattress Cover Fits up to 30cm Deep (Double)
MAGNA COLLECTION£9.864.4★
4AS 100% Waterproof Mattress Protector Super Absorbent & Aloe Vera Treated Terry Towel with Deep 30cm Fitted Skirt for Extra Comfort Double Mattress Protector (138x190+30 cm)
4AS£10.914.6★
What buyers say about waterproof mattress protector double
What buyers praise and complain about, mined from review topics.What buyers love
“Top quality mattress cover”
“Easy fit”
“Value for money”
“As described”
“completely waterproof”
“Very comfy”
“Fantastic soft”
“The wash really nice”
“Easy to use”
“makes no noise”
What buyers complain about
“NOT WATERPROOF”
“Cheaply made”
“the fit is slightly looser than expected”
“Not a lot of depth”
“Very noisy”
“The sides material is so thin it wont last long”
“Its a complete lie what they say and advertise”
“Not great value for money”
“Doesnt work”
“It doesnt protect any water leaking”
Top return reasons
Common questions
- Is waterproof mattress protector double profitable to sell on Amazon United Kingdom?
- The niche generates £765K/yr across 25 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is -15.8%. Flapen's verdict: Worth a look (50/100).
- How competitive is the waterproof mattress protector double niche?
- 15 brands and 21 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 81% of demand.
- What do buyers complain about in waterproof mattress protector double?
- Top complaints mined from reviews: Water Resistance, Quality-Overall, Size-Overall. The return rate is 0.7%.
- When does demand for waterproof mattress protector double peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the waterproof mattress protector double niche?
- Listings span £5.18–£19.18; the average listing price is £9.04 (sweet spot $15–$100). The average incumbent carries 21,431 reviews — the moat a new listing must climb.