california king duvet
Skip itSoft demand (-14.6% this quarter) — this niche doesn't clear our bar today.
Avg price
Great$77.93avg listing price — sweet spot $15–$100
Competition
Good43%top-5 click share — leaders hold, buyers still browse
Brand share
Good69%top-5 brand share — brands hold most of the demand
Price range
Good$20.59–$164.75cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Returns
Okay3.6%return rate — above 5% kills the launch gate
Market size
Okay$179K$179K/yr · 149K searches
Conversion
Bad1.5%search→purchase rate — share of searches ending in a sale
Growth
Bad-14.6%90-day search growth — must beat 0% to launch
Review moat
Bad16,922.35avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, california king duvet is a $179K/yr Amazon United States market (149K searches/yr). The top 5 brands hold 69% of demand. Demand peaks in Nov. Verdict: Skip it — 43/100.
Data updated Jul 18, 2026 · scored weekly · How we score niches
california king duvet market data
- Units sold / yr
- 3K–3K
- avg 0–100/product
- Revenue / yr
- $195K–$234K
- units × avg price
- Conversion rate
- 1.5%
- Avg BSR
- #41
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 93%
- Out of stock
- 2.6%
- Avg brand age
- 49 months
- Avg seller age
- 183 days
Competition & brand share
The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them.Brands
25 falling
Sellers
35
Top-5 brand share
69%
Top 20: 97%
Top-5 click share
43%
Top 20: 78%
Open market
28%
- Bedsure37%
- Utopia Bedding21%
- EASELAND4%
- Simple&Opulence4%
- DOWNCOOL4%
- EGYPTIAN BEDDING3%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -14.6% search growth over the last 90 days.Peak months: Nov · busiest ÷ quietest = 1.6×
Top california king duvet search terms
- california king duvet51K/yr
- cal king duvet19K/yr
- duvet california king19K/yr
- california king duvet cover cotton10K/yr
- linen duvet cover california king9K/yr
- california king duvet covers8K/yr
- california king comforter cover5K/yr
- duvet cover cal king size6K/yr
- california king duvet cover boho7K/yr
- california king linen duvet cover5K/yr
Top california king duvet 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
Bedsure Comforter Duvet Insert - Quilted Comforters Cal King Size All Season Duvet GentleSoft Down Alternative Bedding Blanket with 8 Tabs Gifts for Women/Men White California King 96X102 Inches
Bedsure$70.724.7★76,669 rev
Utopia Bedding Comforters California King Size All Season Duvet Insert Down Alternative Box Stitched Bed Comforter with Corner Tabs Machine Washable (White)
Utopia Bedding$35.624.6★126,601 rev
Utopia Bedding California King Comforter Duvet Insert Quilted White Comforter with Corner Tabs Box Stitched Down Alternative Comforters California King Size 96 x 102 inches
Utopia Bedding$44.454.6★155,570 rev
Bedsure White California King Duvet Cover - Prewashed Cotton-Like Polyester Extra Soft Bedding Set Includes 1 Cal King Duvet Cover 104x98 Inches with Zipper Closure & 2 Pillow Shams No Comforter
Bedsure$30.364.5★4,307 rev
EASELAND California King Down Alternative Comforter - Quilted Duvet Insert for All Seasons Soft Lightweight with Corner Tabs Summer Winter Warm Bedding White 96x104 Inches
EASELAND$56.204.6★41,382 rev
Newest
by launch date
LBRO2M 100% France Linen Duvet Cover Set 3 Pcs Including 1 Flax Comforter Cover with Zipper Closure 2 Pillowcase Cozy Duvet Cover King Size Linen Color
LBRO2M$125.621,132 rev
L LOVSOUL Goose Feather Down Fiber Comforter California King Size 100% Organic Cotton Fabric Duvet Insert 1200TC 750+Fill Power Hotel Collection All Season White Bedding Comforters with 8 Tabs
L LOVSOUL$105.932,790 rev
DOWNCOOL Feather Comforter California King Size 100% Cotton Cover Ultra Soft Fluffy Duvet Insert All Season Luxurious Hotel Bed Comforter with Corner Tabs White 104x96
DOWNCOOL$70.263,215 rev
Duvet Cover Cal King Size Set - Extra Soft Cal King Duvet Cover 104 x 98 with 2 Pillow Shams for Women Men Kids & Teens - Hotel Luxury w/ Zipper Closures & Ties - Comfy Cozy & Breathable (White)
CGK Unlimited$24.667,076 rev
Bedsure 100% Washed Cotton Duvet Cover Cal King - Natural White Minimalist Bedding Set Linen Like - PureWoven Plain Simple & Soft Comforter Cover 3-Piece Natural White California King 104x98
Bedsure$66.482,151 rev
Trending
90-day click momentumUtopia Bedding California King Comforter Duvet Insert Quilted White Comforter with Corner Tabs Box Stitched Down Alternative Comforters California King Size 96 x 102 inches
Utopia Bedding$44.454.6★
Cobnom Hotel Luxury Feather Down Comforter California King Medium Warm All Season Duvet Insert Silky Soft Egyptian Cotton Blend Cover Ethically Sourced Feather Down Filled 104x96 Inch White
Cobnom$91.253.3★
LBRO2M 100% France Linen Duvet Cover Set 3 Pcs Including 1 Flax Comforter Cover with Zipper Closure 2 Pillowcase Cozy Duvet Cover King Size Linen Color
LBRO2M$125.624.4★
Bedsure Cotton Duvet Cover Set - 100% Cotton Waffle Weave Linen Color Duvet Cover California King Size PureWoven Breathable Cal King Bedding Set for All Season 3 Pieces 104x98
Bedsure$94.234.5★
Simple&Opulence 100% Washed Linen Duvet Cover with Embroidered 3 Pieces Soft Farmhouse Comforter Set with Button Closure 1 Duvet Cover and 2 Pillowshams (California King Natural Linen)
Simple&Opulence$139.704.6★
What buyers say about california king duvet
What buyers praise and complain about, mined from review topics.What buyers love
“Very comfortable to sleep”
“Buttery Soft”
“The set is good quality for the price”
“Keeps you warm”
“Best value”
“This comforter is warm and lightweight”
“Perfect Fit”
“soft and fluffy, making the bed feel cozy and inviting,”
“A great neutral color”
“As advertised”
What buyers complain about
“this thing is huge”
“it is a bit thicker than I imagined”
“Bad quality”
“Misleading”
“its falling apart”
“cheep material”
“ALL SEASON IS TOO WARM”
“Flat not fluffy”
“Smell is horrible”
“Very hot”
Top return reasons
Common questions
- Is california king duvet profitable to sell on Amazon United States?
- The niche generates $179K/yr across 43 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is -14.6%. Flapen's verdict: Skip it (43/100).
- How competitive is the california king duvet niche?
- 25 brands and 35 sellers compete. The top 5 products take 43% of clicks and top 5 brands hold 69% of demand.
- What do buyers complain about in california king duvet?
- Top complaints mined from reviews: Size-Overall, Thickness, Quality-Overall. The return rate is 3.6%.
- When does demand for california king duvet peak?
- Demand peaks in Nov; the busiest month runs 1.6× the quietest.
- What does it cost to enter the california king duvet niche?
- Listings span $20.59–$164.75; the average listing price is $77.93 (sweet spot $15–$100). The average incumbent carries 16,922 reviews — the moat a new listing must climb.