waterproof duvet cover
Skip itA small market ($50K/yr) — this niche doesn't clear our bar today.
Quality gap
Incredible4.0★avg incumbent rating — lower means beatable quality
Avg price
Incredible$40.67avg listing price — sweet spot $15–$100
Price range
Incredible$18.52–$63.49cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good67%top-5 brand share — brands hold most of the demand
Competition
Good48%top-5 click share — leaders hold, buyers still browse
Returns
Okay3.9%return rate — above 5% kills the launch gate
Review moat
Okay3,020.41avg incumbent reviews — the moat a new listing must climb
Growth
Bad-16.3%90-day search growth — must beat 0% to launch
Conversion
Bad1.3%search→purchase rate — share of searches ending in a sale
Market size
Bad$50K$50K/yr · 94K searches
According to Flapen's Amazon United States niche tracking, waterproof duvet cover is a $50K/yr Amazon United States market (94K searches/yr). The top 5 brands hold 67% of demand. Demand peaks in Jan–Nov. Verdict: Skip it — 46/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
waterproof duvet cover market data
- Units sold / yr
- 2K–2K
- avg 0–100/product
- Revenue / yr
- $61K–$81K
- units × avg price
- Conversion rate
- 1.3%
- Avg BSR
- #126
- Page quality
- 0%
- Prime
- 89%
- Sponsored
- 81%
- Out of stock
- 15.4%
- Avg brand age
- 49 months
- Avg seller age
- 193 days
Competition & brand share
The top 5 products take 48% of clicks — established leaders, but buyers still shop beyond them.Brands
14 falling
Sellers
20
Top-5 brand share
67%
Top 20: 100%
Top-5 click share
48%
Top 20: 93%
Open market
24%
- Guardmax22%
- Chunlei14%
- Allersoft11%
- Sensalou11%
- KOBIONE10%
- WYFKYMXX9%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -16.3% search growth over the last 90 days.Peak months: Jan, Nov · busiest ÷ quietest = 1.6×
Top waterproof duvet cover search terms
- waterproof duvet cover37K/yr
- waterproof duvet cover king16K/yr
- waterproof duvet cover queen10K/yr
- waterproof duvet protector8K/yr
- duvet protector waterproof6K/yr
- waterproof comforter cover6K/yr
- waterproof duvet4K/yr
- water proof duvet cover4K/yr
- duvet cover waterproof3K/yr
Top waterproof duvet cover 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
Guardmax Waterproof Duvet Cover - Jersey Fabric with Zipper Closure | Premium Quality Bed Bug & Allergen Proof Queen (86 x 86)
Guardmax$44.873.8★232 rev
Waterproof Duvet Cover or Waterproof Blanket Cover-Dust Pet Dander Feather Pollen & Allergy Control Duvet Protector
Allersoft$39.023.5★65 rev
Chunlei Waterproof Duvet Cover Queen Size 3-Piece Set 90x90 Inch Breathable Bedding Protector Ultra Soft Comforter Cover with Zipper Includes 2 Pillow Shams (Comforter Not Included) Gray
Chunlei$38.384.0★133 rev
Guardmax Waterproof Duvet Cover - Jersey Fabric with Zipper Closure | Premium Quality Bed Bug & Allergen Proof King (104 x 86)
Guardmax$44.873.8★232 rev
Sensalou Waterproof Duvet Cover with Zipper Full/Queen (White) - Waterproof Queen Comforter Cover for Families & Everyday Use
Sensalou$45.124.2★25 rev
Newest
by launch date
Waterproof Duvet Cover 90x90 Reusable Duvet Protector Cover Queen Size Washable Comforter Cover with Zipper Closer Flap 2 Pillowcases for Pets Kids Elder Incontinence(Gray Queen)
KOBIONE$39.9528 rev
Waterproof Duvet Cover 90 x 106 Washable Reusable Comforter Protective Cover Duvet Protector King Size with Zipper Closer Flap 2 Pillowcases for Pets Kids Elder Incontinence(King Gray)
KOBIONE$43.3928 rev
Waterproof Duvet Cover 90x90 Reusable Duvet Protector Cover Queen Size Washable Comforter Cover with Zipper Closer Flap 2 Pillowcases for Pets Kids Elder Incontinence(White Queen)
KOBIONE$39.3328 rev
Sensalou Waterproof Duvet Cover with Zipper Full/Queen (White) - Waterproof Queen Comforter Cover for Families & Everyday Use
Sensalou$45.1225 rev
Sensalou Waterproof Duvet Cover with Zipper King/Cal King (White) - Waterproof King Comforter Cover for Adults & Couples
Sensalou$49.0925 rev
Trending
90-day click momentumWaterproof Duvet Cover 90 x 106 Washable Reusable Comforter Protective Cover Duvet Protector King Size with Zipper Closer Flap 2 Pillowcases for Pets Kids Elder Incontinence(King Gray)
KOBIONE$43.394.1★
Sensalou Waterproof Duvet Cover with Zipper King/Cal King (White) - Waterproof King Comforter Cover for Adults & Couples
Sensalou$49.094.2★
Sensalou Waterproof Duvet Cover with Zipper Full/Queen (White) - Waterproof Queen Comforter Cover for Families & Everyday Use
Sensalou$45.124.2★
Waterproof Duvet Cover 90x90 Reusable Duvet Protector Cover Queen Size Washable Comforter Cover with Zipper Closer Flap 2 Pillowcases for Pets Kids Elder Incontinence(Gray Queen)
KOBIONE$39.954.1★
Waterproof Duvet Cover 90x90 Reusable Duvet Protector Cover Queen Size Washable Comforter Cover with Zipper Closer Flap 2 Pillowcases for Pets Kids Elder Incontinence(White Queen)
KOBIONE$39.334.1★
What buyers say about waterproof duvet cover
What buyers praise and complain about, mined from review topics.What buyers love
“smooth”
“Overall, a good quality cover if youve got allergies I think”
“It is water proof”
“Fit is perfect”
“comfortable too”
“Good product for the price”
“I love the color”
“Love it very easyy”
“Durable”
“Very warm”
What buyers complain about
“it was not completely water proof”
“Bad quality”
“This is a very thick”
“Its not true to whats advertised for material”
“not what they say”
“Very very cheap materials in blanket doesnt feel comfortable on you”
“Fit was not the best”
“DOES NOT ABSORB”
“a bit noisy”
“it's not breathable at all”
Top return reasons
Common questions
- Is waterproof duvet cover profitable to sell on Amazon United States?
- The niche generates $50K/yr across 27 tracked products. 4 of 7 products launched in the last 360 days are still selling. 90-day search growth is -16.3%. Flapen's verdict: Skip it (46/100).
- How competitive is the waterproof duvet cover niche?
- 14 brands and 20 sellers compete. The top 5 products take 48% of clicks and top 5 brands hold 67% of demand.
- What do buyers complain about in waterproof duvet cover?
- Top complaints mined from reviews: Water Resistance, Quality-Overall, Thickness. The return rate is 3.9%.
- When does demand for waterproof duvet cover peak?
- Demand peaks in Jan–Nov; the busiest month runs 1.6× the quietest.
- What does it cost to enter the waterproof duvet cover niche?
- Listings span $18.52–$63.49; the average listing price is $40.67 (sweet spot $15–$100). The average incumbent carries 3,020 reviews — the moat a new listing must climb.