---
title: "Black Down Comforter King Size — $142K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/home-kitchen/black-down-comforter-king-size"
last_updated: "2026-08-09T15:04:11.363Z"
locale: en
meta:
description: "Niche score 46/100 · $142K/yr market · 136K searches/yr · $51.91 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 46/100 · $142K/yr market · 136K searches/yr · $51.91 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Black Down Comforter King Size — $142K/yr Amazon US Niche (2026) - Flapen"
---
# **black down comforter king size**
**Skip it**
Soft demand (-26.8% this quarter) — this niche doesn't clear our bar today.
Market size 31Growth 12Conversion 25Competition 80Returns 86Price range 60Avg price 92Brand share 41Review moat 22Quality gap 33
**Avg price**
**Great****$51.91**
avg listing price — sweet spot $15–$100
**Returns**
**Great****1.4%**
return rate — above 5% kills the launch gate
**Competition**
**Great****35%**
top-5 click share — an open shelf
**Price range**
**Good****$24.30–$151.18**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Okay****80%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Market size**
**Okay****$142K**
$142K/yr · 136K searches
**Conversion**
**Okay****2.0%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Bad****9,506.88**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-26.8%**
90-day search growth — must beat 0% to launch
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, black down comforter king size is a $142K/yr Amazon United States market (136K searches/yr). The top 5 brands hold 80% of demand. Verdict: Skip it — 46/100.
Data updated Jul 18, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **black down comforter king size market data**
- **Units sold / yr**
- **3K–3K**
- avg 0–100/product
- **Revenue / yr**
- **$130K–$156K**
- units × avg price
- **Conversion rate**
- **2.0%**
- **Avg BSR**
- **#64**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **91%**
- **Out of stock**
- **3.6%**
- **Avg brand age**
- **43 months**
- **Avg seller age**
- **185 days**
## **Competition & brand share**
Clicks spread well past the top 5 (35% combined) — an open shelf where new products get seen.
**Brands**
**20 **▼falling
**Sellers**
**30**
**Top-5 brand share**
**80%**
Top 20: 100%
**Top-5 click share**
**35%**
Top 20: 69%
**Open market**
**16%**
- CozyLux49% - Love's cabin17% - Andency6% - JOLLYVOGUE5% - EXQ Home4% - HIMEET4% - Open — no brand owns it (14 brands, 16%)
## **Demand**
Weekly Amazon search volume, last 32 weeks — -26.8% search growth over the last 90 days.
3K2KSpike '26Dec '25Jan '26Feb '26Mar '26Apr '26May '26
[**Open Trend **](https://flapen.com/research/us/home-kitchen/black-down-comforter-king-size/trend)
## **Top black down comforter king size search terms**
- **black california king comforter set**23K/yr-33.3%1.3% conv. - **king size black comforter**13K/yr-8.4%3.2% conv. - **black bedding king**14K/yr-37.2%1.5% conv. - **black california king comforter**10K/yr-19.1%1.6% conv. - **king size comforter black**10K/yr-29.0%1.7% conv. - **black comforter king size**8K/yr-26.5%2.7% conv. - **black bed set king**7K/yr-20.6%1.8% conv. - **black oversized king comforter**7K/yr-21.1%0.4% conv. - **black down comforter king size**10K/yr-41.2%0.7% conv. - **california king comforter set black**7K/yr-35.0%2.0% conv. [**All search terms **](https://flapen.com/research/us/home-kitchen/black-down-comforter-king-size/search-terms)
## **Top black down comforter king size 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%3%$4K6%$9K9%$13K12%$17K1001K10K100K 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**CozyLux King Size Comforter Set Black 3 Pieces Lightweight Down Alternative Quilted Bedding Sets All Seasons Breathable Solid Comforter with 2 Pillowcases Soft Luxury Bed Set for Bedroom**CozyLux**$30.61**4.5★5,298 rev](https://www.amazon.com/dp/B0C53BLZMT) [2**Loves cabin King Size Comforter Set Black 7 Pieces King Bed in a Bag All Season Bedding Sets with 1 Comforter 1 Flat Sheet 1 Fitted Sheet 2 Pillowcase and 2 Pillow Sham**Love's cabin**$35.59**4.6★9,708 rev](https://www.amazon.com/dp/B0BC93XFCZ) [3**CozyLux California King Comforter Set Black 3 Pieces Cal King Lightweight Down Alternative Quilted Bedding Sets All Season Soft Breathable Solid Comforter with 2 Pillowcases Soft Bed Set for Home**CozyLux**$40.21**4.5★5,298 rev](https://www.amazon.com/dp/B0CGZZ43G9) [4**Loves cabin Seersucker Black King Size Comforter Set 7-Piece All Season Lightweight Bed in a Bag Bedding Set with Comforter Flat Sheet Fitted Sheet Pillowcases and Shams**Love's cabin**$38.27**4.4★3,048 rev](https://www.amazon.com/dp/B0CG94K246) [5**CozyLux King Size Comforter Set - 270GSM Black Bedding Sets for All Seasons 3 Pieces Box Stitched Bed Set with 1 Down Alternative Comforter and 2 Pillow Shams Soft Lightweight Durable**CozyLux**$29.62**4.6★2,275 rev](https://www.amazon.com/dp/B0D261W691)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Easthome Comforters King Size All Season Quilted Bed Comforter Ultra-Soft Down Alternative Duvet Insert with 4 Tabs Lightweight Bedding Blanket - Machine Washable Black**Easthome**$28.68**170 rev10mo ago](https://www.amazon.com/dp/B0FRRYDCBC) [**CozyLux California King Comforter Set with Sheets 7 Pieces Black Seersucker Bed in a Bag Cal King Luxury All Seasons Bedroom Bedding Sets with Down Alternative Comforter Sheets Pillowcases & Shams**CozyLux**$64.21**10,658 rev11mo ago](https://www.amazon.com/dp/B0FK51718Z) [**Bedsure Tufted Boho Comforter Set California King - Black Boho Bed Set GentleSoft 3 Pieces Farmhouse-Style Embroidery Bedding Gifts for Woman Soft Jacquard Kids Comforter for All Seasons**Bedsure**$67.59**7,498 rev1y ago](https://www.amazon.com/dp/B0FFMH3LSG) [**CozyLux Oversized King Comforter Set Black 3 Pieces 120x98 Lightweight Down Alternative Quilted Bedding Sets All Seasons Breathable Solid Comforter with 2 Pillowcases Soft Bed Set for Bedroom**CozyLux**$59.53**5,298 rev1y ago](https://www.amazon.com/dp/B0FCRZXF2P) [**CozyLux Fleece King Size Comforter Set Oeko-TEX Certified Winter Warm & Fluffy 300GSM 3D Stripe Flannel Bedding Super Soft Faux Fur Bed Set Bedroom Decor with 2 Pillowcases Black**CozyLux**$45.90**629 rev1y ago](https://www.amazon.com/dp/B0DFY475YB)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Easthome Comforters King Size All Season Quilted Bed Comforter Ultra-Soft Down Alternative Duvet Insert with 4 Tabs Lightweight Bedding Blanket - Machine Washable Black**Easthome**$28.68**4.6★**▲ 213%**](https://www.amazon.com/dp/B0FRRYDCBC) [**Loves cabin California King Comforter Set Black 7 Pieces California King Bed in a Bag All Season Bedding Sets with 1 Comforter 1 Flat Sheet 1 Fitted Sheet 2 Pillowcase and 2 Pillow Sham**Love's cabin**$47.98**4.6★**▲ 121%**](https://www.amazon.com/dp/B0CNGHWJJ1) [**JOLLYVOGUE California King Comforter Set Ultra-Soft Bed in a Bag Cal King Size 7 Pieces Oeko-TEX Certified Bedding Set with Down Alternative Comforter Sheets Pillowcases & Shams Black**JOLLYVOGUE**$49.73**4.6★**▲ 66%**](https://www.amazon.com/dp/B0CN33BSVC) [**EXQ Home Fluffy Comforter Set King Size - Super Soft Faux Fur Stripe Jacquard Comforter 3 Pieces Black Fleece Bedding Set Winter Warm Bed Set 1 Comforter with 2 Pillowcases**EXQ Home**$42.22**4.6★**▲ 57%**](https://www.amazon.com/dp/B0D7DPYX3G) [**HIMEET King Size Comforter Set Black - 7 Pieces Pintuck Bed in a Bag Pinch Pleat Modern Room Decor All-Season Soft Bedding Gift with Comforter Sheets Pillowcases & Shams**HIMEET**$42.82**4.6★**▲ 42%**](https://www.amazon.com/dp/B0CR6BW9CJ)
**~~View all trending →~~**
## **What buyers say about black down comforter king size**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Comfort-Overall**21%
*“Soft and Comfortable”*
**Soft Feel**16%
*“Nice and soft material”*
**Warmth**8%
*“Keeps you warm”*
**Quality-Overall**7%
*“The quality is so nice and soft”*
**Value For Money**7%
*“Worth the money”*
**Size-Overall**7%
*“Fits great”*
**Advertised Vs Actual Product**4%
*“Just as pictured”*
**Color**3%
*“colors are exact”*
**Weight Light**3%
*“The comforter is lightweight and perfect for the spring and summer”*
**Thickness**3%
*“The comforter is thick”*
### **What buyers complain about **
**Size-Overall**14%
*“it was much too short”*
**Thickness**8%
*“Not as thick as before”*
**Quality-Overall**7%
*“Bad quality”*
**Washability**6%
*“You can't wash them”*
**Advertised Vs Actual Product**5%
*“Misleading”*
**Smell**5%
*“Chemical smell”*
**Stitch/Finish/Polish**4%
*“it ripped at the seam”*
**Durability**4%
*“Broke in less than two weeks not worth the money”*
**Material Quality**2%
*“Cheap Material”*
**Comfort-Overall**2%
*“WORST COMFORTER SET EVER”*
### **Top return reasons **
**Size-Overall**37%
**Material Quality**10%
**Advertised Vs Actual Product**8%
**Comfort-Overall**7%
**Color**6%
**Thin**5%
**Quality-Overall**5%
**Value For Money**3%
**Smell**2%
**Stitch/Finish/Polish**2%
## **Common questions**
- **Is black down comforter king size profitable to sell on Amazon United States?**
- The niche generates $142K/yr across 57 tracked products. 1 of 6 products launched in the last 360 days are still selling. 90-day search growth is -26.8%. Flapen's verdict: Skip it (46/100).
- **How competitive is the black down comforter king size niche?**
- 20 brands and 30 sellers compete. The top 5 products take 35% of clicks and top 5 brands hold 80% of demand.
- **What do buyers complain about in black down comforter king size?**
- Top complaints mined from reviews: Size-Overall, Thickness, Quality-Overall. The return rate is 1.4%.
- **What does it cost to enter the black down comforter king size niche?**
- Listings span $24.30–$151.18; the average listing price is $51.91 (sweet spot $15–$100). The average incumbent carries 9,507 reviews — the moat a new listing must climb.
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