double bed waterproof mattress protector
Skip itA small market ($46K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.7%return rate — above 5% kills the launch gate
Conversion
Great11.6%search→purchase rate — share of searches ending in a sale
Brand share
Good73%top-5 brand share — brands hold most of the demand
Competition
Okay64%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Price range
Okay£6.69–£19.18cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Okay£9.85avg listing price — sweet spot $15–$100
Growth
Okay+0.1%90-day search growth — must beat 0% to launch
Review moat
Bad15,053.58avg incumbent reviews — the moat a new listing must climb
Market size
Bad£46K£46K/yr · 41K searches
According to Flapen's Amazon United Kingdom niche tracking, double bed waterproof mattress protector is a £46K/yr Amazon United Kingdom market (41K searches/yr). The top 5 brands hold 73% of demand. Verdict: Skip it — 43/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
double bed waterproof mattress protector market data
- Units sold / yr
- 6K–8K
- avg 250–500/product
- Revenue / yr
- £59K–£79K
- units × avg price
- Conversion rate
- 11.6%
- Avg BSR
- #28
- Page quality
- 0%
- Prime
- 74%
- Sponsored
- 95%
- Out of stock
- 7.3%
- Avg brand age
- 42 months
- Avg seller age
- 196 days
Competition & brand share
The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.Brands
15 falling
Sellers
21
Top-5 brand share
73%
Top 20: 100%
Top-5 click share
64%
Top 20: 100%
Open market
18%
- CAROLINE SHATUIK21%
- Yorkshire Bedding21%
- ACRALI HOME12%
- Utopia Bedding10%
- IMFAA10%
- ECOBIZ8%
Demand
Weekly Amazon search volume, last 43 weeks — +0.1% search growth over the last 90 days.Top double bed waterproof mattress protector search terms
- double bed waterproof mattress protector11K/yr
- double waterproof sheet5K/yr
- terry towelling mattress protector6K/yr
- waterproof sheet double5K/yr
- waterproof bed sheet double4K/yr
- waterproof double sheet3K/yr
- double bed waterproof fitted sheet3K/yr
- waterproof fitted sheet double3K/yr
Top double bed waterproof mattress protector 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 19 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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
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
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
ECOBIZ 100% Waterproof Mattress Protector Double Bed 137x190 Extra Deep 30CM Fitted Skirt Premium Cotton Terry Bed Wetting Protection Non-noisy Breathable Hypoallergenic Washable Sheet Cover
ECOBIZ£9.874.4★7,424 rev
Waterproof Mattress Protector Double Bed 135 x 190 cm Fits Up to 40 cm Deep Mattresses Premium Terry Mattress Protector by Utopia Bedding
Utopia Bedding£6.694.6★108,982 rev
Newest
by launch date
Takt Quilted Waterproof Mattress Protector Double Bed Fitted 137x190+40cm Deep Pocket Hypoallergenic Soft Breathable and Washable Mattress Cover Double Bed Mattress Protector White
Takt£7.6315 rev
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
2 x AYDMED Essential Washable Incontinence Bed Pads | For Double & Single Beds | Maximum Absorbency 100% Leakproof Kylie Sheets | Reusable Waterproof Bed Wetting Sheets For Adults Children & Babies
Aydmed£15.6737 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 momentum2 x AYDMED Essential Washable Incontinence Bed Pads | For Double & Single Beds | Maximum Absorbency 100% Leakproof Kylie Sheets | Reusable Waterproof Bed Wetting Sheets For Adults Children & Babies
Aydmed£15.674.8★
K&A Terry Waterproof Mattress Protector | Soft Terry Towel Mattress Topper | Anti Allergy Noiseless and Breathable | 40 cm Extra Deep Box | Fitted Sheet Style Mattress Cover | Single 90x190 cm
K&A£9.054.5★
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★
Utopia Bedding Premium Waterproof Mattress Encasement Double Bed (135 x 190 x 30 cm) Zippered Mattress Protector Bed Bug and Dust Mite Proof Mattress Cover White
Utopia Bedding£9.974.5★
Takt Quilted Waterproof Mattress Protector Double Bed Fitted 137x190+40cm Deep Pocket Hypoallergenic Soft Breathable and Washable Mattress Cover Double Bed Mattress Protector White
Takt£7.634.2★
What buyers say about double bed waterproof mattress protector
What buyers praise and complain about, mined from review topics.What buyers love
“Top quality mattress cover”
“Fits great”
“Good value for money”
“As advertised”
“completely waterproof”
“Very comfy”
“Wash well”
“soft to the touch”
“Easy to use”
“This mattress protector is very good on my bed”
What buyers complain about
“NOT WATERPROOF”
“its really flimsy really thin”
“The protector itself is also quite noisy”
“They are big”
“Not as it looks in photo”
“Looks and feels cheap”
“Poor value for money”
“Material not very strong”
“Doesnt work”
“He says it's not comfortable so I fitted another sheet on top”
Top return reasons
Common questions
- Is double bed waterproof mattress protector profitable to sell on Amazon United Kingdom?
- The niche generates £46K/yr across 19 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +0.1%. Flapen's verdict: Skip it (43/100).
- How competitive is the double bed waterproof mattress protector niche?
- 15 brands and 21 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 73% of demand.
- What do buyers complain about in double bed waterproof mattress protector?
- Top complaints mined from reviews: Water Resistance, Thickness, Noise Level. The return rate is 0.7%.
- What does it cost to enter the double bed waterproof mattress protector niche?
- Listings span £6.69–£19.18; the average listing price is £9.85 (sweet spot $15–$100). The average incumbent carries 15,054 reviews — the moat a new listing must climb.