cot bed mattress protector
Skip itBrand-locked demand (top 5 brands take 93% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible12.4%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.9%return rate — above 5% kills the launch gate
Market size
Okay£199K£199K/yr · 183K searches
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Avg price
Bad£8.74avg listing price — sweet spot $15–$100
Growth
Bad-6.7%90-day search growth — must beat 0% to launch
Price range
Bad£4.99–£17.59cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Bad76%top-5 click share — a locked-up shelf
Brand share
Bad93%top-5 brand share — brand-locked demand
Review moat
Bad18,084.45avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United Kingdom niche tracking, cot bed mattress protector is a £199K/yr Amazon United Kingdom market (183K searches/yr). The top 5 brands hold 93% of demand. Verdict: Skip it — 39/100.
Data updated Jul 18, 2026 · scored weekly · How we score niches
cot bed mattress protector market data
- Units sold / yr
- 25K–30K
- avg 1,500–2,000/product
- Revenue / yr
- £219K–£262K
- units × avg price
- Conversion rate
- 12.4%
- Avg BSR
- #10
- Page quality
- 0%
- Prime
- 82%
- Sponsored
- 91%
- Out of stock
- 0.0%
- Avg brand age
- 49 months
- Avg seller age
- 199 days
Competition & brand share
The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.Brands
7 falling
Sellers
12
Top-5 brand share
93%
Top 20: 100%
Top-5 click share
76%
Top 20: 100%
Open market
3%
- Silentnight36%
- IMFAA27%
- Utopia Bedding11%
- Sasma Home10%
- Yoofoss10%
- Vesta Baby4%
- Open — no brand owns it (1 brand, 3%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -6.7% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Top cot bed mattress protector search terms
- cot bed mattress protector34K/yr
- cot mattress protector29K/yr
- waterproof cot mattress protector11K/yr
- cot mattress protector 140 x 7013K/yr
- cotbed mattress protector 140 x 7012K/yr
- toddler bed mattress protector8K/yr
- cot bed waterproof mattress protector8K/yr
- baby mattress protector6K/yr
- cot waterproof mattress protector6K/yr
- waterproof cot bed mattress protector12K/yr
Top cot bed 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 11 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Silentnight Safe Nights Cot Bed Waterproof Mattress Protector 140 x 70 cm - Quilted Toddler Bed Protector Pad Anti-Allergy Soft Touch Breathable Comfortable - Machine Washable - 140 x 70cm
Silentnight£7.474.6★3,149 rev

IMFAA 100% Waterproof Mattress Protector - 15 Cm Deep Stretch Skirt Cot Bed (70x140) Cm Terry Towel Mattress Topper Anti Allergy and Breathable Fitted Mattress Cover. (Cot Bed(70x140+15) Cm)
IMFAA£7.204.5★27,668 rev

Yoofoss Waterproof Baby Mattress Protector 70 x 140 cm Adjustable Fitted Sheet Removable and Washable for Cot Bed
Yoofoss£10.114.7★7,637 rev

IMFAA 100% Water & Moisture Proof Extra Deep Terry Towel Mattress Protector Topper Cover Anti Allergy and Breathable. (White Cot(60x120x15) FBA)
IMFAA£6.704.5★27,668 rev

Sasma Home - Cot Bed Mattress Protector 70x140 - Toddler Mattress Protector - Hypoallergenic Anti Mite Suitable for Deep Cot Bed Mattress - Noiseless and Waterproof
Sasma Home£7.034.6★574 rev
Newest
by launch date
Yoofoss Waterproof Cot Bed Mattress Protector 120 x 60 cm Breathable Toddler Bed Mattress Protector Comfortable Noiseless White
Yoofoss£10.137,637 rev

Utopia Bedding Premium Waterproof Mattress Encasement Cot Bed (70 x 140 x 15 cm) Zippered Mattress Protector Bed Bug and Dust Mite Proof Mattress Cover White
Utopia Bedding£6.8312,775 rev

Waterproof Mattress Protector 70 x 140 cm Fits Up to 15 cm Deep Mattresses Premium Terry Cot Bed Mattress Protector All Around Elastic Cot Bed Mattress Cover by Utopia Bedding
Utopia Bedding£4.99108,368 rev

Sasma Home - Waterproof Cot Mattress Protector - Hypoallergenic Noiseless Toddler Bed Mattress Protector - to Fit Cot Mattress 60x120 cm
Sasma Home£6.27515 rev

Sheet Story Cot Bed Mattress Protector Waterproof - 140x70cm Size - Hypoallergenic Super Soft Terry Bamboo Fabric - Mattress Protector Cot Bed - White
SHEET STORY£11.86520 rev
Trending
90-day click momentum
Yoofoss Waterproof Cot Bed Mattress Protector 120 x 60 cm Breathable Toddler Bed Mattress Protector Comfortable Noiseless White
Yoofoss£10.134.7★

Sheet Story Cot Bed Mattress Protector Waterproof - 140x70cm Size - Hypoallergenic Super Soft Terry Bamboo Fabric - Mattress Protector Cot Bed - White
SHEET STORY£11.864.6★

Silentnight Safe Nights Cot Bed Waterproof Mattress Protector 140 x 70 cm - Quilted Toddler Bed Protector Pad Anti-Allergy Soft Touch Breathable Comfortable - Machine Washable - 140 x 70cm
Silentnight£7.474.6★

Utopia Bedding Premium Waterproof Mattress Encasement Cot Bed (70 x 140 x 15 cm) Zippered Mattress Protector Bed Bug and Dust Mite Proof Mattress Cover White
Utopia Bedding£6.834.5★

IMFAA 100% Water & Moisture Proof Extra Deep Terry Towel Mattress Protector Topper Cover Anti Allergy and Breathable. (White Cot(60x120x15) FBA)
IMFAA£6.704.5★
What buyers say about cot bed mattress protector
What buyers praise and complain about, mined from review topics.What buyers love
“Fantastic premium quality product”
“Fits well”
“Good value of money”
“Just as described”
“Wash well”
“Soft, easy to maintain and just what you need it for”
“It serves as a fully waterproof”
“holding up well over time”
“great absorbency”
“Lovely cot protector,gives extra comfort and padding for baby”
What buyers complain about
“Poor quality”
“Not waterproof”
“Thin”
“one is small”
“its very noisy”
Top return reasons
Common questions
- Is cot bed mattress protector profitable to sell on Amazon United Kingdom?
- The niche generates £199K/yr across 11 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -6.7%. Flapen's verdict: Skip it (39/100).
- How competitive is the cot bed mattress protector niche?
- 7 brands and 12 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 93% of demand.
- What do buyers complain about in cot bed mattress protector?
- Top complaints mined from reviews: Quality-Overall, Water Resistance, Thickness. The return rate is 0.9%.
- When does demand for cot bed mattress protector peak?
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- What does it cost to enter the cot bed mattress protector niche?
- Listings span £4.99–£17.59; the average listing price is £8.74 (sweet spot $15–$100). The average incumbent carries 18,084 reviews — the moat a new listing must climb.