---
title: "Black Duvet Cover King — $90K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/home-kitchen/black-duvet-cover-king"
last_updated: "2026-08-06T04:06:18.861Z"
locale: en
meta:
description: "Niche score 45/100 · $90K/yr market · 70K searches/yr · $43.14 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 45/100 · $90K/yr market · 70K searches/yr · $43.14 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Black Duvet Cover King — $90K/yr Amazon US Niche (2026) - Flapen"
---
# **black duvet cover king**
**Skip it**
Soft demand (-24.9% this quarter) — this niche doesn't clear our bar today.
Market size 22Growth 13Conversion 37Competition 55Returns 59Price range 95Avg price 95Brand share 51Review moat 23Quality gap 60
**Avg price**
**Incredible****$43.14**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$18.27–$82.39**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Returns**
**Good****2.6%**
return rate — above 5% kills the launch gate
**Competition**
**Good****52%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Good****74%**
top-5 brand share — brands hold most of the demand
**Conversion**
**Okay****2.9%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Bad****7,226.32**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Bad****$90K**
$90K/yr · 70K searches
**Growth**
**Bad****-24.9%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, black duvet cover king is a $90K/yr Amazon United States market (70K searches/yr). The top 5 brands hold 74% of demand. Demand peaks in Aug–Sep–Oct–Nov. Verdict: Skip it — 45/100.
Data updated Jul 29, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **black duvet cover king market data**
- **Units sold / yr**
- **2K–3K**
- avg 100–250/product
- **Revenue / yr**
- **$86K–$108K**
- units × avg price
- **Conversion rate**
- **2.9%**
- **Avg BSR**
- **#95**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **93%**
- **Out of stock**
- **5.0%**
- **Avg brand age**
- **48 months**
- **Avg seller age**
- **204 days**
## **Competition & brand share**
The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**17 **▲rising
**Sellers**
**23**
**Top-5 brand share**
**74%**
Top 20: 100%
**Top-5 click share**
**52%**
Top 20: 91%
**Open market**
**19%**
- Utopia Bedding27% - Bedsure25% - CGK Unlimited9% - MooMee7% - Amazon Basics7% - PHF6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -24.9% search growth over the last 90 days.
4K3KPrime Day '25Spike '25 seasonSepDecMarJunAugNovMarMay
Peak months: Aug, Sep, Oct, Nov · busiest ÷ quietest = 2.5×
[**Open Trend **](https://flapen.com/research/us/home-kitchen/black-duvet-cover-king/trend)
## **Top black duvet cover king search terms**
- **black duvet cover king**49K/yr-25.8%2.3% conv. - **black king duvet cover**10K/yr-27.5%4.2% conv. - **black bed covers**3K/yr+1.7%0.3% conv. - **king duvet cover black**4K/yr-26.3%4.4% conv. - **duvet cover king black**4K/yr-27.0%2.5% conv. [**All search terms **](https://flapen.com/research/us/home-kitchen/black-duvet-cover-king/search-terms)
## **Top black duvet cover king 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.
0%5%$4K10%$9K15%$13K20%$18K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Utopia Bedding Duvet Cover King Size - 3 Piece with Zipper Closure - 1 Comforter Cover 104X90 Inches & 2 Pillow Shams 20X36 Inches (Black) Comforter Not Included**Utopia Bedding**$19.44**4.4★12,658 rev](https://www.amazon.com/dp/B0854CQVR8) [2**Bedsure Prewashed Duvet Cover King Cotton-Like Soft Bedding Set Black**Bedsure**$30.61**4.5★25,178 rev](https://www.amazon.com/dp/B07KP1B5Q5) [3**Duvet Cover King Size - Extra Soft 3 Piece Set with Zipper Closure - Black**CGK Unlimited**$24.57**4.4★7,414 rev](https://www.amazon.com/dp/B0CV4H579S) [4**MooMee Duvet Cover Set 100% Washed Cotton Linen Like King**MooMee**$77.17**4.4★14,728 rev](https://www.amazon.com/dp/B0BGHD7P64) [5**Utopia Bedding Duvet Cover Set with Pillowcases - 3 Pieces Bedding Duvet Cover with Zipper Closure - 1 Duvet Cover with 2 Pillowcases - Soft Brushed Microfiber(King Black)**Utopia Bedding**$19.08**4.4★50,742 rev](https://www.amazon.com/dp/B0DWK39R81)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**SheRest Black Textured Duvet Cover King Size - 3 piece Soft Microfiber Bedding Set with Zipper Closure & 8 Corner Ties Includes 1 Duvet Cover 104x90 Inches & 2 Pillow Shams Comforter Not Included**SheRest**$44.62**23 rev3mo ago](https://www.amazon.com/dp/B0GWC3RSPN) [**Amazon Basics Duvet Cover Set with Jacquard Geometric Pattern 3-Piece with 1 Duvet Cover and 2 Pillow Shams Comforter Not Included King Black**Amazon Basics**$33.88**139 rev4mo ago](https://www.amazon.com/dp/B0FX4PJKV9) [**Bedsure Textured Duvet Cover King Size Soft & Breathable Comforter Cover for All Season 3 Pieces Wrinkle-Resistant Zipper Bedding with 8 Corner Ties Black**Bedsure**$45.98**356 rev9mo ago](https://www.amazon.com/dp/B0FWK3RG1S) [**Utopia Bedding Duvet Cover King with Fitted Sheet (78x80) - 2 Pillow Case King - All Season Luxury Bed in a Bag with Zippered Duvet Cover - No Comforter (Black)**Utopia Bedding**$25.14**6 rev9mo ago](https://www.amazon.com/dp/B0FV2Y3PNM) [**Bedsure PureWoven 3 Pieces 100% Cotton Waffle Duvet Cover Set King Black**Bedsure**$82.39**3,881 rev1y ago](https://www.amazon.com/dp/B0F21HFK2C)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**SheRest Black Textured Duvet Cover King Size - 3 piece Soft Microfiber Bedding Set with Zipper Closure & 8 Corner Ties Includes 1 Duvet Cover 104x90 Inches & 2 Pillow Shams Comforter Not Included**SheRest**$44.62**4.6★**▲ 491%**](https://www.amazon.com/dp/B0GWC3RSPN) [**Amazon Basics Duvet Cover Set with Jacquard Geometric Pattern 3-Piece with 1 Duvet Cover and 2 Pillow Shams Comforter Not Included King Black**Amazon Basics**$33.88**4.4★**▲ 489%**](https://www.amazon.com/dp/B0FX4PJKV9) [**Utopia Bedding Duvet Cover King with Fitted Sheet (78x80) - 2 Pillow Case King - All Season Luxury Bed in a Bag with Zippered Duvet Cover - No Comforter (Black)**Utopia Bedding**$25.14**4.3★**▲ 466%**](https://www.amazon.com/dp/B0FV2Y3PNM) [**Bedsure Textured Duvet Cover King Size Soft & Breathable Comforter Cover for All Season 3 Pieces Wrinkle-Resistant Zipper Bedding with 8 Corner Ties Black**Bedsure**$45.98**4.3★**▲ 294%**](https://www.amazon.com/dp/B0FWK3RG1S) [**HeimenAogo Egyptian Cotton Duvet Cover King Size Sateen Weave Silky Soft and Breathable Bedding Set with Zipper Closure Long Staple Cotton Bed Linen Moonless Night Black 3Pcs**HeimenAogo**$75.50**4.3★**▲ 228%**](https://www.amazon.com/dp/B0B17J4CMG)
**~~View all trending →~~**
## **What buyers say about black duvet cover king**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Soft Feel**18%
*“Nice and soft material”*
**Comfort-Overall**17%
*“Soft and Comfortable”*
**Quality-Overall**9%
*“Good Quality”*
**Value For Money**8%
*“Great value”*
**Warmth**7%
*“Perfect for the warm summer nights”*
**Size-Overall**6%
*“Fits great”*
**Material Quality**5%
*“great material and its so soft”*
**Color**4%
*“Super nice really good price and accurate colors”*
**Weight Light**3%
*“Its lightweight and again”*
**Advertised Vs Actual Product**3%
*“As Advertised”*
### **What buyers complain about **
**Size-Overall**18%
*“it was much too short”*
**Thickness**8%
*“thicker than expected for price”*
**Quality-Overall**7%
*“Not good quality”*
**Material Quality**6%
*“Cheap material”*
**Advertised Vs Actual Product**4%
*“The description was very misleading”*
**Stitch/Finish/Polish**3%
*“The black one ripped for no apparent reason on a seam in the middle”*
**Comfort-Overall**3%
*“Cheap comforter”*
**Hard Feel**3%
*“Not exactly soft”*
**Washability**3%
*“silly me I washed it first”*
**Fluffiness**2%
*“no fluff or softness outside of the velvet material”*
### **Top return reasons **
**Color**30%
**Size-Overall**26%
**Material Quality**11%
**Advertised Vs Actual Product**7%
**Value For Money**3%
**Thin**3%
**Comfort-Overall**3%
**Quality-Overall**3%
**Display Colors**3%
**Defective Material/Parts**1%
## **Common questions**
- **Is black duvet cover king profitable to sell on Amazon United States?**
- The niche generates $90K/yr across 28 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is -24.9%. Flapen's verdict: Skip it (45/100).
- **How competitive is the black duvet cover king niche?**
- 17 brands and 23 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 74% of demand.
- **What do buyers complain about in black duvet cover king?**
- Top complaints mined from reviews: Size-Overall, Thickness, Quality-Overall. The return rate is 2.6%.
- **When does demand for black duvet cover king peak?**
- Demand peaks in Aug–Sep–Oct–Nov; the busiest month runs 2.5× the quietest.
- **What does it cost to enter the black duvet cover king niche?**
- Listings span $18.27–$82.39; the average listing price is $43.14 (sweet spot $15–$100). The average incumbent carries 7,226 reviews — the moat a new listing must climb.
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