---
title: "High Density Upholstery Foam — $113K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/arts-crafts-sewing/high-density-upholstery-foam"
last_updated: "2026-08-07T04:28:55.657Z"
locale: en
meta:
  description: "Niche score 53/100 · $113K/yr market · 175K searches/yr · $41.24 avg price. Weak search conversion (1.6%) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 53/100 · $113K/yr market · 175K searches/yr · $41.24 avg price. Weak search conversion (1.6%) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "High Density Upholstery Foam — $113K/yr Amazon US Niche (2026) - Flapen"
---

# **high density upholstery foam**

**Worth a look**

Shows a sweet-spot price point ($41.24 avg), but weak search conversion (1.6%) keeps it on the watch list.

Market size 27Growth 34Conversion 20Competition 81Returns 67Price range 95Avg price 95Brand share 71Review moat 39Quality gap 43

**Avg price**

**Incredible****$41.24**

avg listing price — sweet spot $15–$100

**Price range**

**Incredible****$15.30–$100.07**

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

**Competition**

**Great****34%**

top-5 click share — an open shelf

**Brand share**

**Good****62%**

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

**Returns**

**Good****2.3%**

return rate — above 5% kills the launch gate

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Okay****2,647.17**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Okay****+7.5%**

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

**Market size**

**Okay****$113K**

$113K/yr · 175K searches

**Conversion**

**Bad****1.6%**

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

According to Flapen's Amazon United States niche tracking, high density upholstery foam is a $113K/yr Amazon United States market (175K searches/yr). The top 5 brands hold 62% of demand. Verdict: Worth a look — 53/100.

Data updated Jul 18, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **high density upholstery foam market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**3K–4K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$124K–$165K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**1.6%**</dd>

<dt>**Avg BSR**</dt><dd>**#115**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**71%**</dd>

<dt>**Sponsored**</dt><dd>**98%**</dd>

<dt>**Out of stock**</dt><dd>**2.5%**</dd>

<dt>**Avg brand age**</dt><dd>**35 months**</dd>

<dt>**Avg seller age**</dt><dd>**180 days**</dd>

</dl>

## **Competition & brand share**

Clicks spread well past the top 5 (34% combined) — an open shelf where new products get seen.

**Brands**

**33 **▲rising

**Sellers**

**40**

**Top-5 brand share**

**62%**

Top 20: 93%

**Top-5 click share**

**34%**

Top 20: 69%

**Open market**

**35%**

- FOAMYFOAM23% - GoTo Foam21% - HOMBYS7% - Coaseb7% - Foamma4% - ProsourceFit3%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +7.5% search growth over the last 90 days.

5K3K seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.2×

[**Open Trend **](https://flapen.com/research/us/arts-crafts-sewing/high-density-upholstery-foam/trend)

## **Top high density upholstery foam search terms**

- **couch cushion foam**32K/yr+0.8%1.1% conv. - **outdoor foam for cushions**15K/yr+133.8%0.9% conv. - **seat cushion foam**18K/yr+17.7%2.1% conv. - **foam for outdoor cushions**7K/yr+121.3%1.2% conv. - **foam cushion for couch**12K/yr-25.7%1.6% conv. - **foam inserts for couch cushions**9K/yr+43.4%0.9% conv. - **sofa cushion foam**13K/yr-18.3%0.7% conv. - **seat foam replacement**6K/yr-3.3%1.4% conv. - **foam for sofa cushions**6K/yr-2.2%0.7% conv. - **foam for bench cushion**5K/yr+6.3%2.0% conv. [**All search terms **](https://flapen.com/research/us/arts-crafts-sewing/high-density-upholstery-foam/search-terms)

## **Top high density upholstery foam 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%$3K6%$7K9%$10K12%$14K101001K10K100K 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![FOAMYFOAM High Density 6 inch Thick 24 inch Wide 24 inch Long Upholstery Foam Cushion Replacement](https://m.media-amazon.com/images/I/215mCE1uuAL.jpg)**FOAMYFOAM High Density 6 inch Thick 24 inch Wide 24 inch Long Upholstery Foam Cushion Replacement**FOAMYFOAM**$29.49**4.5★886 rev](https://www.amazon.com/dp/B0BM593SHH) [2![GoTo Foam 2 Height x 24 Width x 72 Length 43ILD (Firm) Upholstery Cushion Made in USA](https://m.media-amazon.com/images/I/31ad9G8kgbL.jpg)**GoTo Foam 2 Height x 24 Width x 72 Length 43ILD (Firm) Upholstery Cushion Made in USA**GoTo Foam**$26.65**4.6★16,685 rev](https://www.amazon.com/dp/B07S7YXD92) [3![Coaseb Custom Polyurethane Upholstery Foam Cut to Size Couch Cushion Replacement Foam Padding for Chairs Sofas Benches Seat Cushions & DIY Projects High or Medium Density CertiPUR-US Certified](https://m.media-amazon.com/images/I/41Dzs1JTKIL.jpg)**Coaseb Custom Polyurethane Upholstery Foam Cut to Size Couch Cushion Replacement Foam Padding for Chairs Sofas Benches Seat Cushions & DIY Projects High or Medium Density CertiPUR-US Certified**Coaseb**$53.51**4.5★305 rev](https://www.amazon.com/dp/B0CY7C1YV4) [4![GoTo Foam 1 Height x 24 Width x 72 Length 44ILD (Firm) Upholstery Cushion Made in USA](https://m.media-amazon.com/images/I/31ad9G8kgbL.jpg)**GoTo Foam 1 Height x 24 Width x 72 Length 44ILD (Firm) Upholstery Cushion Made in USA**GoTo Foam**$19.93**4.6★16,685 rev](https://www.amazon.com/dp/B07S6ZY5J9) [5![HOMBYS Memory Foam Couch Cushion Replacement High Density Upholstery Foam Wrapped with Memory Foam & Polyester Batting Sofa Cushions Inserts with Dacron Fiber Layer with Removable Cover 6x24x27](https://m.media-amazon.com/images/I/414SBZ6cgIL.jpg)**HOMBYS Memory Foam Couch Cushion Replacement High Density Upholstery Foam Wrapped with Memory Foam & Polyester Batting Sofa Cushions Inserts with Dacron Fiber Layer with Removable Cover 6x24x27**HOMBYS**$52.02**4.3★338 rev](https://www.amazon.com/dp/B0CP3XZQT3)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![GORILLA GRIP Ergonomic High Density Couch Cushion Support Foam Quick Rebound Sofa Lifters for Sagging Cushions Stays in Place with Grip Dots Replacement Stuffing 20x19x1.75 Inches 1 Pack Gray](https://m.media-amazon.com/images/I/41CZF2YUFZL.jpg)**GORILLA GRIP Ergonomic High Density Couch Cushion Support Foam Quick Rebound Sofa Lifters for Sagging Cushions Stays in Place with Grip Dots Replacement Stuffing 20x19x1.75 Inches 1 Pack Gray**GORILLA GRIP**$15.30**121 rev3mo ago](https://www.amazon.com/dp/B0FRNNYY78) [![Double win Custom Outdoor Bench Cushion Fully Waterproof & Sun-Proof with Seam Seal Technology. Choose Your Size Heavy-Duty Fabric High-Resilience Foam for Patio Deck Window Seat.](https://m.media-amazon.com/images/I/51GP0kh5gQL.jpg)**Double win Custom Outdoor Bench Cushion Fully Waterproof & Sun-Proof with Seam Seal Technology. Choose Your Size Heavy-Duty Fabric High-Resilience Foam for Patio Deck Window Seat.**Double win**$97.15**122 rev4mo ago](https://www.amazon.com/dp/B0GR44WLKF) [![SmartFoam HD Custom Cut Foam for Mattresses & Cushions High Density Upholstery Foam for DIY Projects Beds & Sofas Premium Free Choice of Comfort Levels (Medium or Firm)](https://m.media-amazon.com/images/I/31O+pdF84rL.jpg)**SmartFoam HD Custom Cut Foam for Mattresses & Cushions High Density Upholstery Foam for DIY Projects Beds & Sofas Premium Free Choice of Comfort Levels (Medium or Firm)**SmartFoam**$45.28**70 rev10mo ago](https://www.amazon.com/dp/B0FRCTF28X) [![Upholstery Foam 72 x 24 x 1 High Density Gel Memory Foam Padding Couch Cushion Support Cut to Size Foam Replacement Pad for Sofa Sag Support](https://m.media-amazon.com/images/I/31FpkgzLlYL.jpg)**Upholstery Foam 72 x 24 x 1 High Density Gel Memory Foam Padding Couch Cushion Support Cut to Size Foam Replacement Pad for Sofa Sag Support**Aqzuxira**$25.83**180 rev10mo ago](https://www.amazon.com/dp/B0FR951N6D) [![FoamTouch High Density Upholstery Foam (1 x 24 x 72) 1.79LB Density-45LB ILD Made in USA Ideal for Couch Cusions Chair Cushions Bench Cushions and Varity of Upholstery Projects](https://m.media-amazon.com/images/I/21auLzfCzwL.jpg)**FoamTouch High Density Upholstery Foam (1 x 24 x 72) 1.79LB Density-45LB ILD Made in USA Ideal for Couch Cusions Chair Cushions Bench Cushions and Varity of Upholstery Projects**FoamTouch**$20.13**375 rev1y ago](https://www.amazon.com/dp/B0DQXC46NQ)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Sunrox DryFast Upholstery Foam All-Weather Outdoor Cushion Replacement 3 x 24 x 72 Ultra Durable Low Maintenance Cushion Foam for Outdoor Seat Cushion & Patio Furniture Chair Cushion](https://m.media-amazon.com/images/I/51JLZL6ukjL.jpg)**Sunrox DryFast Upholstery Foam All-Weather Outdoor Cushion Replacement 3 x 24 x 72 Ultra Durable Low Maintenance Cushion Foam for Outdoor Seat Cushion & Patio Furniture Chair Cushion**SUNROX**$78.55**4.3★**▲ 232%**](https://www.amazon.com/dp/B0B1ZLT1RQ) [![GORILLA GRIP Ergonomic High Density Couch Cushion Support Foam Quick Rebound Sofa Lifters for Sagging Cushions Stays in Place with Grip Dots Replacement Stuffing 20x19x1.75 Inches 1 Pack Gray](https://m.media-amazon.com/images/I/41CZF2YUFZL.jpg)**GORILLA GRIP Ergonomic High Density Couch Cushion Support Foam Quick Rebound Sofa Lifters for Sagging Cushions Stays in Place with Grip Dots Replacement Stuffing 20x19x1.75 Inches 1 Pack Gray**GORILLA GRIP**$15.30**4.0★**▲ 202%**](https://www.amazon.com/dp/B0FRNNYY78) [![Double win Custom Outdoor Bench Cushion Fully Waterproof & Sun-Proof with Seam Seal Technology. Choose Your Size Heavy-Duty Fabric High-Resilience Foam for Patio Deck Window Seat.](https://m.media-amazon.com/images/I/51GP0kh5gQL.jpg)**Double win Custom Outdoor Bench Cushion Fully Waterproof & Sun-Proof with Seam Seal Technology. Choose Your Size Heavy-Duty Fabric High-Resilience Foam for Patio Deck Window Seat.**Double win**$97.15**4.6★**▲ 202%**](https://www.amazon.com/dp/B0GR44WLKF) [![AK Trading CO. AK-Trading Upholstery High Density 4 Height x 24 Width x 72 Length-Home or Commercial Use Seat Replacement Cushion-Made in USA Foam (FOAM-HD-4x24x72)](https://m.media-amazon.com/images/I/21d6prxTfpL.jpg)**AK Trading CO. AK-Trading Upholstery High Density 4 Height x 24 Width x 72 Length-Home or Commercial Use Seat Replacement Cushion-Made in USA Foam (FOAM-HD-4x24x72)**AK TRADING CO.**$45.66**4.6★**▲ 157%**](https://www.amazon.com/dp/B078SHJQWH) [![FOAMYFOAM High Density 2 inch Thick 24 inch Wide 96 inch Long Upholstery Foam Cushion Replacement](https://m.media-amazon.com/images/I/21Gk5pLvXHL.jpg)**FOAMYFOAM High Density 2 inch Thick 24 inch Wide 96 inch Long Upholstery Foam Cushion Replacement**FOAMYFOAM**$29.66**4.6★**▲ 133%**](https://www.amazon.com/dp/B0BV9FW1M7)

**~~View all trending →~~**

## **What buyers say about high density upholstery foam**

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

### **What buyers love **

**Quality-Overall**17%

*“quality options that were by far the best”*

**Cushion**14%

*“Amazing Cushion”*

**Size-Overall**10%

*“Fit like a charm”*

**Advertised Vs Actual Product**9%

*“As described”*

**Comfort-Overall**7%

*“Very Comfortable”*

**Foam**6%

*“Great foam”*

**Value For Money**6%

*“Good Deal”*

**Balance/Stability**3%

*“Good for balance”*

**Thickness**2%

*“Nice and dense for what I needed”*

**Durability**2%

*“It's durable”*

### **What buyers complain about **

**Cushion**10%

*“This cushion is too hard”*

**Size-Overall**9%

*“They don't fit”*

**Thickness**9%

*“Not 1inch thick more like a half inch”*

**Value For Money**6%

*“too expensive”*

**Quality-Overall**5%

*“Expensive garbage”*

**Advertised Vs Actual Product**4%

*“Not what was pictured”*

**Hard Feel**3%

*“It is not as soft as the one at PT”*

**Strength**3%

*“Not as strong as I thought they where”*

**Comfort-Overall**3%

*“Very uncomfortable”*

**Ease Of Use**2%

*“not easy to”*

### **Top return reasons **

**Size-Overall**32%

**Cushion**20%

**Thickness**7%

**Advertised Vs Actual Product**7%

**Balance/Stability**3%

**Functionality-Overall**3%

**Value For Money**3%

**Thin**2%

**Material Quality**2%

**Hard Feel**2%

## **Common questions**

<dl>

<dt>**Is high density upholstery foam profitable to sell on Amazon United States?**</dt><dd>The niche generates $113K/yr across 63 tracked products. 7 of 13 products launched in the last 360 days are still selling. 90-day search growth is +7.5%. Flapen's verdict: Worth a look (53/100).</dd>

<dt>**How competitive is the high density upholstery foam niche?**</dt><dd>33 brands and 40 sellers compete. The top 5 products take 34% of clicks and top 5 brands hold 62% of demand.</dd>

<dt>**What do buyers complain about in high density upholstery foam?**</dt><dd>Top complaints mined from reviews: Cushion, Size-Overall, Thickness. The return rate is 2.3%.</dd>

<dt>**When does demand for high density upholstery foam peak?**</dt><dd>Demand is steady year-round — the busiest month runs 1.2× the quietest.</dd>

<dt>**What does it cost to enter the high density upholstery foam niche?**</dt><dd>Listings span $15.30–$100.07; the average listing price is $41.24 (sweet spot $15–$100). The average incumbent carries 2,647 reviews — the moat a new listing must climb.</dd>

</dl>

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