---
title: "3 Inch Foam — $132K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/arts-crafts-sewing/3-inch-foam"
last_updated: "2026-08-07T10:43:39.609Z"
locale: en
meta:
description: "Niche score 51/100 · $132K/yr market · 97K searches/yr · $34.59 avg price. A small market ($132K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 51/100 · $132K/yr market · 97K searches/yr · $34.59 avg price. A small market ($132K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:title": "3 Inch Foam — $132K/yr Amazon US Niche (2026) - Flapen"
---
# **3 inch foam**
**Worth a look**
Shows a sweet-spot price point ($34.59 avg), but a small market ($132K/yr) keeps it on the watch list.
Market size 30Growth 52Conversion 49Competition 53Returns 76Price range 95Avg price 95Brand share 43Review moat 30Quality gap 32
**Avg price**
**Incredible****$34.59**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$16.68–$54.53**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Great****2.0%**
return rate — above 5% kills the launch gate
**Competition**
**Good****53%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Good****+23.1%**
90-day search growth — must beat 0% to launch
**Conversion**
**Okay****3.9%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Okay****79%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Market size**
**Okay****$132K**
$132K/yr · 97K searches
**Review moat**
**Okay****3,541.79**
avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, 3 inch foam is a $132K/yr Amazon United States market (97K searches/yr). The top 5 brands hold 79% of demand. Verdict: Worth a look — 51/100.
Data updated Jul 18, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **3 inch foam market data**
- **Units sold / yr**
- **5K–6K**
- avg 100–250/product
- **Revenue / yr**
- **$173K–$208K**
- units × avg price
- **Conversion rate**
- **3.9%**
- **Avg BSR**
- **#41**
- **Page quality**
- **0%**
- **Prime**
- **71%**
- **Sponsored**
- **96%**
- **Out of stock**
- **2.1%**
- **Avg brand age**
- **38 months**
- **Avg seller age**
- **189 days**
## **Competition & brand share**
The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**17 **▲rising
**Sellers**
**23**
**Top-5 brand share**
**79%**
Top 20: 100%
**Top-5 click share**
**53%**
Top 20: 92%
**Open market**
**17%**
- GoTo Foam30% - FOAMYFOAM24% - FoamTouch14% - Coaseb6% - ColourTree6% - AK TRADING CO.4% - Open — no brand owns it (11 brands, 17%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +23.1% search growth over the last 90 days.
2K2KSpike '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/arts-crafts-sewing/3-inch-foam/trend)
## **Top 3 inch foam search terms**
- **3 inch foam**19K/yr+27.4%3.3% conv. - **upholstery foam 3 inch**12K/yr+13.2%3.8% conv. - **3 inch foam pad**11K/yr+43.0%2.6% conv. - **3 foam**9K/yr+9.4%4.7% conv. - **3 foam pad**7K/yr+30.7%2.6% conv. - **3 foam for upholstery**7K/yr+48.9%6.7% conv. - **cushion foam 3 inch thick**6K/yr+15.8%3.8% conv. - **upholstery foam 3 inch high density**4K/yr+40.0%3.1% conv. - **3 inch foam padding**3K/yr+4.8%3.5% conv. - **foam padding 3 inch thick**3K/yr+10.0%3.5% conv. [**All search terms **](https://flapen.com/research/us/arts-crafts-sewing/3-inch-foam/search-terms)
## **Top 3 inch 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%5%$7K10%$13K15%$20K20%$26K1101001K10K100K 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**GoTo Foam 3 Height x 24 Width x 72 Length 44ILD (Firm) Upholstery Cushion Made in USA**GoTo Foam**$30.99**4.6★16,685 rev](https://www.amazon.com/dp/B07S38NBX7) [2**FOAMYFOAM High Density 3 inch Thick 24 inch Wide 72 inch Long Upholstery Foam Cushion Replacement**FOAMYFOAM**$32.78**4.6★1,093 rev](https://www.amazon.com/dp/B0BRR6LWMV) [3**GoTo Foam 3 Height x 24 Width x 72 Length 36ILD (Semi-Firm) Upholstery Cushion Made in USA**GoTo Foam**$29.87**4.6★16,685 rev](https://www.amazon.com/dp/B07S4DHZBQ) [4**FoamTouch 3x24x72 high Density Polyurethane Foam 3 x24 x72 inches White**FoamTouch**$32.04**4.6★14,043 rev](https://www.amazon.com/dp/B00TSVXR66) [5**FOAMYFOAM High Density 3 inch Thick 24 inch Wide 24 inch Long Upholstery Foam Cushion Replacement**FOAMYFOAM**$22.81**4.6★207 rev](https://www.amazon.com/dp/B0BM52835S)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**DUMOS Mattress Toppers Memory Foam Twin Size 3 Inch Thick Bed Topper Pad Cooling Gel Infused Soft Comfy Padding Breathable for Sleeper Sofa Couch RV Camper CertiPUR-US Certified Blue**DUMOS**$25.80**500 rev5mo ago](https://www.amazon.com/dp/B0GNJNBF6B) [**Polyurethane Foam Padding 1 PCS 16 x 12 x 3 Inch Black Soft Cuttable Packing Foam Inserts for Cases Furniture Automotive and Packaging**FENYUAN**$16.68**108 rev8mo ago](https://www.amazon.com/dp/B0G1HM83J9) [**Vicatiful High-Density Upholstery Foam Padding (3 x 24 x 72)Memory Foam for Couch Seat Cushion Replacement Chair Foam Square Padding for Seats**Vicatiful**$29.65**61 rev9mo ago](https://www.amazon.com/dp/B0FX3V4YY7) [**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) [**Frienda 1 Pack 3 x 24 x 24 Upholstery High Density Craft Foam Sheets Replacement Square Cut to Size Cushion Chair Padding Suitable for Shipping Packing Cushion Foam Mailing Cosplay(White)**Frienda**$22.10**130 rev10mo ago](https://www.amazon.com/dp/B0FNZVSMDB)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**DUMOS Mattress Toppers Memory Foam Twin Size 3 Inch Thick Bed Topper Pad Cooling Gel Infused Soft Comfy Padding Breathable for Sleeper Sofa Couch RV Camper CertiPUR-US Certified Blue**DUMOS**$25.80**4.3★**▲ 203%**](https://www.amazon.com/dp/B0GNJNBF6B) [**Polyurethane Foam Padding 1 PCS 16 x 12 x 3 Inch Black Soft Cuttable Packing Foam Inserts for Cases Furniture Automotive and Packaging**FENYUAN**$16.68**4.6★**▲ 190%**](https://www.amazon.com/dp/B0G1HM83J9) [**CYMULA 3 Inch Memory Foam Camping Pad Camping Essentials Roll Up Floor Mat for Car Camping Cot Tent Truck Travel and Guest Use Non-Slip Waterproof Bottom Removable Cover**CYMULA**$54.53**4.5★**▲ 147%**](https://www.amazon.com/dp/B0DJ2YHMM2) [**FOAMYFOAM High Density 3 inch Thick 18 inch Wide 72 inch Long Upholstery Foam Cushion Replacement**FOAMYFOAM**$28.22**4.6★**▲ 145%**](https://www.amazon.com/dp/B0BVGVRM66) [**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**4.6★**▲ 85%**](https://www.amazon.com/dp/B0FRCTF28X)
**~~View all trending →~~**
## **What buyers say about 3 inch foam**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**17%
*“Excellent Quality”*
**Comfort-Overall**14%
*“Extremely comfortable”*
**Size-Overall**13%
*“Size is exact”*
**Foam**8%
*“Perfect foam, great quality”*
**Advertised Vs Actual Product**7%
*“As advertised”*
**Cushion**6%
*“Foam cushion”*
**Value For Money**5%
*“worth the money”*
**Soft Feel**4%
*“It is very soft”*
**Balance/Stability**4%
*“Good for balance”*
**Ease Of Use**2%
*“Easy to use”*
### **What buyers complain about **
**Size-Overall**12%
*“They are too large”*
**Value For Money**9%
*“I've struggled to find low priced”*
**Thickness**8%
*“Thick”*
**Advertised Vs Actual Product**7%
*“The picture is not the item”*
**Cushion**7%
*“Not Dense enough for a cushion”*
**Quality-Overall**7%
*“Poor quality”*
**Hard Feel**5%
*“Not as soft as I hoped it would be”*
**Comfort-Overall**4%
*“horrible, uncomfortable”*
**Stretchability/Expandability/Elasticity**3%
*“Edges didn't fully expand”*
**Durability**2%
*“Its slowly breaking in”*
### **Top return reasons **
**Size-Overall**45%
**Thickness**7%
**Cushion**7%
**Advertised Vs Actual Product**6%
**Comfort-Overall**5%
**Value For Money**4%
**Soft Feel**3%
**Balance/Stability**3%
**Thin**3%
**Smell**2%
## **Common questions**
- **Is 3 inch foam profitable to sell on Amazon United States?**
- The niche generates $132K/yr across 28 tracked products. 3 of 7 products launched in the last 360 days are still selling. 90-day search growth is +23.1%. Flapen's verdict: Worth a look (51/100).
- **How competitive is the 3 inch foam niche?**
- 17 brands and 23 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 79% of demand.
- **What do buyers complain about in 3 inch foam?**
- Top complaints mined from reviews: Size-Overall, Value For Money, Thickness. The return rate is 2.0%.
- **When does demand for 3 inch foam peak?**
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- **What does it cost to enter the 3 inch foam niche?**
- Listings span $16.68–$54.53; the average listing price is $34.59 (sweet spot $15–$100). The average incumbent carries 3,542 reviews — the moat a new listing must climb.
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