Is duvet insert profitable to sell on Amazon United States?

The niche generates $5.1M/yr across 69 tracked products. 6 of 6 products launched in the last 360 days are still selling. 90-day search growth is +15.7%. Flapen's verdict: Launch it (61/100).

How competitive is the duvet insert niche?

25 brands and 33 sellers compete. The top 5 products take 29% of clicks and top 5 brands hold 69% of demand.

What do buyers complain about in duvet insert?

Top complaints mined from reviews: Quality-Overall, Thickness, Size-Overall. The return rate is 2.0%.

When does demand for duvet insert peak?

Demand peaks in Jul–Aug; the busiest month runs 2.3× the quietest.

What does it cost to enter the duvet insert niche?

Listings span $11.70–$140.72; the average listing price is $37.00 (sweet spot $15–$100). The average incumbent carries 37,098 reviews — the moat a new listing must climb.

duvet insert

Launch it

A $5.1M/yr market growing +15.7% this quarter with returns at 2.0% — clears our launch bar.

Market size

Incredible$5.1M

$5.1M/yr · 12.9M searches

Avg price

Incredible$37.00

avg listing price — sweet spot $15–$100

Competition

Great29%

top-5 click share — an open shelf

Returns

Good2.0%

return rate — above 6% kills the launch gate

Price range

Good$11.70–$140.72

cheapest to priciest tracked listing — scored on the share inside $15–$100

Brand share

Good69%

top-5 brand share — brands hold most of the demand

Growth

Okay+15.7%

90-day search growth — must beat 0% to launch

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Conversion

Bad1.1%

search→purchase rate — share of searches ending in a sale

Review moat

Bad37,098.12

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United States niche tracking, duvet insert is a $5.1M/yr Amazon United States market (12.9M searches/yr). The top 5 brands hold 69% of demand. Demand peaks in Jul–Aug. Verdict: Launch it — 61/100.

Data updated Jul 18, 2026 · scored weekly · How we score niches

Market data

Units sold / yr: 200K–250K; avg 2,000–2,500/product
Revenue / yr: $7.4M–$9.3M; units × avg price
Launch success: 100%; 6 of 6 new (360d)
Conversion rate: 1.1%
Avg BSR: #57
Page quality: 0%
Prime: 100%
Sponsored: 97%
Out of stock: 0.4%
Avg brand age: 48 months
Avg seller age: 170 days

Competition

Clicks spread well past the top 5 (29% combined) — an open shelf where new products get seen.

Brands

25 falling

Sellers

Top-5 brand share

69%

Top 20: 98%

Top-5 click share

29%

Top 20: 60%

Open market

26%

Bedsure23%
Utopia Bedding16%
Mellow12%
Amazon Basics10%
Love's cabin8%
CozyLux5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +15.7% search growth over the last 90 days.

Peak months: Jul, Aug · busiest ÷ quietest = 2.3×

Open Trend

Product shelf

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 69 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Mellow Marshmellow Comforter King/Cal King - Extra Fluffy Double-Stuffed Down Alternative Duvet Insert All-Season Temperature-Balancing Oeko-TEX Class I Fabric Box-Stitch Machine Washable

Mellow$140.724.5★205 rev

Bedsure Comforter Duvet Insert - Quilted Comforters Queen Size All Season Duvet GentleSoft Down Alternative Bedding Blanket with 8 Tabs Gifts for Women/Men White Queen 88 x 88 Inches

Bedsure$31.324.7★76,669 rev

Utopia Bedding Queen Comforter Duvet Insert Quilted White Comforter with Corner Tabs Box Stitched Down Alternative Comforters Queen Size 88 x 88 inches

Utopia Bedding$26.414.6★155,570 rev

Mellow Marshmellow Comforter Full/Queen - Extra Fluffy Double-Stuffed Down Alternative Duvet Insert All-Season Temperature-Balancing Oeko-TEX Class I Fabric Box-Stitch Machine Washable

Mellow$131.314.5★205 rev

Bedsure King Comforter Set Beige Soft Prewashed Bedding for All Seasons 3 Pieces GentleSoft Bed Set 1 Lightweight Comforter (104x90) and 2 Pillowcases (20x36)

Bedsure$33.844.4★9,430 rev

Newest

by launch date

Marshmallow Cloud Comforter Queen Ultra Fluffy Double-Stuffed Down Alternative Duvet Insert Temperature-Regulating All Season Comforter Lightweight Soft Luxury Cooling Bedding Cloud Quilt White

DOVOSLEEP$68.1739 rev

3mo ago

Mellow Marshmellow Comforter Full/Queen - Extra Fluffy Double-Stuffed Down Alternative Duvet Insert All-Season Temperature-Balancing Oeko-TEX Class I Fabric Box-Stitch Machine Washable

Mellow$131.31205 rev

4mo ago

Mellow Marshmellow Comforter King/Cal King - Extra Fluffy Double-Stuffed Down Alternative Duvet Insert All-Season Temperature-Balancing Oeko-TEX Class I Fabric Box-Stitch Machine Washable

Mellow$140.72205 rev

5mo ago

Martha Stewart Luxury White Goose Feathers Down Fiber Duvet Insert King Size - Hotel Collection 100% Cotton Cover Comforter All Season Medium Warmth Breathable Hypoallergenic 106 x 90 Inch

Martha Stewart$78.2847 rev

5mo ago

WhatsBedding Feather Down Fiber Comforter Duvet Insert Queen 90x90

WhatsBedding$51.714,205 rev

6mo ago

Reviews

What buyers praise and complain about, mined from review topics.

What buyers love

Comfort-Overall20%

“Soft and comfortable bedding”

Soft Feel16%

“Soft and fluffy”

Quality-Overall10%

“Premium quality”

Warmth9%

“Comfortable and warm”

Value For Money7%

“Great deal”

Weight Light5%

“Nice lightweight comforter”

Size-Overall5%

“fit to be as expected”

Color4%

“Color is pretty”

Fluffiness3%

“soft and fluffy”

Advertised Vs Actual Product2%

“Better than I expected”

What buyers complain about

Quality-Overall9%

“Cheap quality”

Thickness8%

“not as thick as I would have liked”

Size-Overall5%

“Runs small”

Advertised Vs Actual Product4%

“Not as shown”

Material Quality4%

“Not great quality material”

Washability3%

“Clumpy After One Wash”

Fluffiness3%

“No fluff”

Durability3%

“it already fell apart”

Stitch/Finish/Polish3%

“the stitching is coming undone”

Value For Money3%

“Wouldnt be worth it at full price”

Top return reasons

Size-Overall31%

Color12%

Material Quality8%

Thin7%

Comfort-Overall6%

Advertised Vs Actual Product5%

Value For Money4%

Quality-Overall4%

Warmth4%

Weight Heavy2%

Common questions

Is duvet insert profitable to sell on Amazon United States?: The niche generates $5.1M/yr across 69 tracked products. 6 of 6 products launched in the last 360 days are still selling. 90-day search growth is +15.7%. Flapen's verdict: Launch it (61/100).
How competitive is the duvet insert niche?: 25 brands and 33 sellers compete. The top 5 products take 29% of clicks and top 5 brands hold 69% of demand.
What do buyers complain about in duvet insert?: Top complaints mined from reviews: Quality-Overall, Thickness, Size-Overall. The return rate is 2.0%.
When does demand for duvet insert peak?: Demand peaks in Jul–Aug; the busiest month runs 2.3× the quietest.
What does it cost to enter the duvet insert niche?: Listings span $11.70–$140.72; the average listing price is $37.00 (sweet spot $15–$100). The average incumbent carries 37,098 reviews — the moat a new listing must climb.

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duvet insert

Market data

Competition

Demand & seasonality

Product shelf

Top sellers

Newest

Trending

Reviews

What buyers love

What buyers complain about

Top return reasons

Common questions

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