---
title: "duvet insert — $5.1M/yr Amazon United States Niche, Score 61/100 - Flapen"
canonical_url: "https://flapen.com/research/us/home-kitchen/duvet-insert"
last_updated: "2026-07-20T18:09:16.134Z"
locale: en
meta:
description: "duvet insert clears our launch bar: a $5.1M/yr market growing +15.7% this quarter with returns at 2.0%. Data updated Jul 2026."
"og:description": "duvet insert clears our launch bar: a $5.1M/yr market growing +15.7% this quarter with returns at 2.0%. Data updated Jul 2026."
"og:title": "duvet insert — $5.1M/yr Amazon United States Niche, Score 61/100 - Flapen"
---
# **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 98Growth 45Conversion 13Competition 86Returns 75Price range 66Avg price 95Brand share 60Review moat 7Quality gap 32
**Market size**
**Incredible****$5.1M**
$5.1M/yr · 12.9M searches
**Avg price**
**Incredible****$37.00**
avg listing price — sweet spot $15–$100
**Competition**
**Great****29%**
top-5 click share — an open shelf
**Returns**
**Good****2.0%**
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**
**Good****69%**
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**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Bad****1.1%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Bad****37,098.12**
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 ~~](https://flapen.com/research/methodology)
## **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**
**33**
**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.
900K700KSpike '24Black Friday '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jul, Aug · busiest ÷ quietest = 2.3×
[**Open Trend **](https://flapen.com/research/us/home-kitchen/duvet-insert/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.
0%3%$152K6%$303K9%$455K12%$607K101001K10K100K1.0M Reviews — right = deep review moatMarket share (90d) ≈ est. sales
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
[1**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**$140.72**4.5★205 rev](https://www.amazon.com/dp/B0GQW2KR1B) [2**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**$31.32**4.7★76,669 rev](https://www.amazon.com/dp/B07YKLSMFM) [3**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**$26.41**4.6★155,570 rev](https://www.amazon.com/dp/B00S1TC442) [4**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**$131.31**4.5★205 rev](https://www.amazon.com/dp/B0GQWK2D7L) [5**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**$33.84**4.4★9,430 rev](https://www.amazon.com/dp/B0CGLPC42G)
**~~View all top sellers →~~**
### **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**$68.17**39 rev3mo ago](https://www.amazon.com/dp/B0GW6FYSZL) [**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**$131.31**205 rev4mo ago](https://www.amazon.com/dp/B0GQWK2D7L) [**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**$140.72**205 rev5mo ago](https://www.amazon.com/dp/B0GQW2KR1B) [**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**$78.28**47 rev5mo ago](https://www.amazon.com/dp/B0GK8MQZ9Z) [**WhatsBedding Feather Down Fiber Comforter Duvet Insert Queen 90x90**WhatsBedding**$51.71**4,205 rev6mo ago](https://www.amazon.com/dp/B0GFSF4KZM)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**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**$140.72**4.5★**▲ 254%**](https://www.amazon.com/dp/B0GQW2KR1B) [**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**$68.17**4.4★**▲ 254%**](https://www.amazon.com/dp/B0GW6FYSZL) [**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**$131.31**4.5★**▲ 219%**](https://www.amazon.com/dp/B0GQWK2D7L) [**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**$78.28**4.6★**▲ 207%**](https://www.amazon.com/dp/B0GK8MQZ9Z) [**Loves cabin Beige Twin/Twin XL Comforter Set 2-Piece Prewashed Bed Set with 1 Comforter (66 x 90 in) & 1 Pillowcase Lightweight & Breathable for All Seasons**Love's cabin**$26.02**4.6★**▲ 192%**](https://www.amazon.com/dp/B0FLDVF4N6)
**~~View all trending →~~**
## **Reviews**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Comfort-Overall**20%
*“Soft and comfortable bedding”*
**Soft Feel**16%
*“Soft and fluffy”*
**Quality-Overall**10%
*“Premium quality”*
**Warmth**9%
*“Comfortable and warm”*
**Value For Money**7%
*“Great deal”*
**Weight Light**5%
*“Nice lightweight comforter”*
**Size-Overall**5%
*“fit to be as expected”*
**Color**4%
*“Color is pretty”*
**Fluffiness**3%
*“soft and fluffy”*
**Advertised Vs Actual Product**2%
*“Better than I expected”*
### **What buyers complain about **
**Quality-Overall**9%
*“Cheap quality”*
**Thickness**8%
*“not as thick as I would have liked”*
**Size-Overall**5%
*“Runs small”*
**Advertised Vs Actual Product**4%
*“Not as shown”*
**Material Quality**4%
*“Not great quality material”*
**Washability**3%
*“Clumpy After One Wash”*
**Fluffiness**3%
*“No fluff”*
**Durability**3%
*“it already fell apart”*
**Stitch/Finish/Polish**3%
*“the stitching is coming undone”*
**Value For Money**3%
*“Wouldnt be worth it at full price”*
### **Top return reasons **
**Size-Overall**31%
**Color**12%
**Material Quality**8%
**Thin**7%
**Comfort-Overall**6%
**Advertised Vs Actual Product**5%
**Value For Money**4%
**Quality-Overall**4%
**Warmth**4%
**Weight Heavy**2%
## **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.
## **Related niches in Home & Kitchen**
- 68 [**bulk beach towels 12 pack**](https://flapen.com/research/us/home-kitchen/bulk-beach-towels-12-pack)$34K/yr+160.7%**Worth a look**- 68 [**coloring blanket**](https://flapen.com/research/us/home-kitchen/coloring-blanket)$488K/yr+269.8%**Worth a look**- 68 [**congratulations balloons**](https://flapen.com/research/us/home-kitchen/congratulations-balloons)$153K/yr+583.7%**Worth a look**- 68 [**light blue towels**](https://flapen.com/research/us/home-kitchen/light-blue-towels)$411K/yr+14.9%**Worth a look**- 68 [**grandpa blanket**](https://flapen.com/research/us/home-kitchen/grandpa-blanket)$38K/yr+115.7%**Worth a look**- 69 [**stone bath mat**](https://flapen.com/research/us/home-kitchen/stone-bath-mat)$4.8M/yr+31.8%**Launch it**[**All Home & Kitchen niches **](https://flapen.com/research/us/home-kitchen)