---
title: "4 Inch Foam Pad — $33K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/arts-crafts-sewing/4-inch-foam-pad"
last_updated: "2026-08-06T21:07:46.632Z"
locale: en
meta:
description: "Niche score 49/100 · $33K/yr market · 34K searches/yr · $39.63 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 49/100 · $33K/yr market · 34K searches/yr · $39.63 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "4 Inch Foam Pad — $33K/yr Amazon US Niche (2026) - Flapen"
---
# **4 inch foam pad**
**Skip it**
A small market ($33K/yr) — this niche doesn't clear our bar today.
Market size 8Growth 55Conversion 31Competition 51Returns 87Price range 90Avg price 95Brand share 59Review moat 41Quality gap 30
**Avg price**
**Incredible****$39.63**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$10.67–$85.93**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Great****1.4%**
return rate — above 5% kills the launch gate
**Brand share**
**Good****69%**
top-5 brand share — brands hold most of the demand
**Growth**
**Good****+28.7%**
90-day search growth — must beat 0% to launch
**Competition**
**Good****55%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Okay****2,376.69**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Okay****2.5%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Market size**
**Bad****$33K**
$33K/yr · 34K searches
According to Flapen's Amazon United States niche tracking, 4 inch foam pad is a $33K/yr Amazon United States market (34K searches/yr). The top 5 brands hold 69% of demand. Verdict: Skip it — 49/100.
Data updated Jul 18, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **4 inch foam pad market data**
- **Units sold / yr**
- **1K–2K**
- avg 0–100/product
- **Revenue / yr**
- **$50K–$59K**
- units × avg price
- **Conversion rate**
- **2.5%**
- **Avg BSR**
- **#56**
- **Page quality**
- **0%**
- **Prime**
- **59%**
- **Sponsored**
- **91%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **34 months**
- **Avg seller age**
- **206 days**
## **Competition & brand share**
The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**22 **▲rising
**Sellers**
**27**
**Top-5 brand share**
**69%**
Top 20: 98%
**Top-5 click share**
**55%**
Top 20: 90%
**Open market**
**25%**
- GoTo Foam25% - AK TRADING CO.13% - FoamTouch12% - FOAMYFOAM11% - ColourTree8% - ProsourceFit6%
## **Top 4 inch foam pad search terms**
- **4 inch foam pad**9K/yr+41.6%1.8% conv. - **4 foam**9K/yr+24.4%2.8% conv. - **high density upholstery foam 4 inch**6K/yr+57.2%2.3% conv. - **4 inch high density foam**3K/yr+27.4%2.8% conv. - **4 inch thick foam**4K/yr-20.6%2.0% conv. - **4 inch upholstery foam**3K/yr+18.4%3.4% conv. [**All search terms **](https://flapen.com/research/us/arts-crafts-sewing/4-inch-foam-pad/search-terms)
## **Top 4 inch foam pad 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%4%$1K8%$3K12%$4K16%$5K101001K10K100K 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 4 Height x 24 Width x 72 Length 44ILD (Firm) Upholstery Cushion Made in USA**GoTo Foam**$34.94**4.6★16,719 rev](https://www.amazon.com/dp/B07S7ZQQVY) [2**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.**$45.86**4.6★1,838 rev](https://www.amazon.com/dp/B078SHJQWH) [3**FoamTouch High Density Upholstery Foam (4 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**$35.88**4.7★404 rev](https://www.amazon.com/dp/B0DQXC8L54) [4**FOAMYFOAM High Density 4 inch Thick 24 inch Wide 24 inch Long Upholstery Foam Cushion Replacement**FOAMYFOAM**$25.11**4.4★447 rev](https://www.amazon.com/dp/B0BM51T652) [5**ColourTree Custom High-Density Foam (4 Thickness) Firm-to-Medium for Sofa Replacement RV Cushions Camping Mattresses & Couch Seating**ColourTree**$60.45**4.7★13 rev](https://www.amazon.com/dp/B0FFKW6KKL)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**CRAURU 72 * 24 * 4 Inch Egg Crate Foam Padding Pressure-Relieving High-Density Upholstery Foam for Air Circulation Cuttable Cushion Pad for Sofa Chair Hospital**CRAURU**$41.39**36 rev3mo ago](https://www.amazon.com/dp/B0GX57NB2M) [**Easthome Memory Foam Camping Mattress Pad with Pillow - Extra Thick 4 Inch Sleeping Pad for Camping Waterproof Roll Up Cot Mattress Topper Camp Sleep Mat for Guest Bed Car Truck Tent Bag Dark Gray**Easthome**$85.93**82 rev6mo ago](https://www.amazon.com/dp/B0GGPMWRH4) [**Tohetsuzp High Density Upholstery Foam Cushion - 4 Thick x 24 x 72 Gel Memory Foam Support Padding for Seat Cushion Replacement DIY Projects Sofa Mattress Support**Tohetsuzp**$58.99**68 rev8mo ago](https://www.amazon.com/dp/B0G243TCH4) [**Vicatiful High-Density Upholstery Foam Padding (4 x 24 x 72)Memory Foam for Couch Seat Cushion Replacement Chair Foam Square Padding for Seats**Vicatiful**$34.32**62 rev9mo ago](https://www.amazon.com/dp/B0FX3TDF7R) [**Vicatiful High Density Upholstery Foam - 4 x 24 x 24 Firm Foam Padding**Vicatiful**$23.11**34 rev9mo ago](https://www.amazon.com/dp/B0FX1W95L9)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Easthome Memory Foam Camping Mattress Pad with Pillow - Extra Thick 4 Inch Sleeping Pad for Camping Waterproof Roll Up Cot Mattress Topper Camp Sleep Mat for Guest Bed Car Truck Tent Bag Dark Gray**Easthome**$85.93**4.6★**▲ 203%**](https://www.amazon.com/dp/B0GGPMWRH4) [**Sweetcrispy Memory Foam Mattress Topper Twin 4 Inch Thick Gel Infused Cooling Toppers Pad for Twin Size Bed Sleeper Sofa RV Camper CertiPUR US Certified Ventilated and Breathable Blue**Sweetcrispy**$40.65**4.3★**▲ 202%**](https://www.amazon.com/dp/B0GHYXR7Q7) [**CRAURU 72 * 24 * 4 Inch Egg Crate Foam Padding Pressure-Relieving High-Density Upholstery Foam for Air Circulation Cuttable Cushion Pad for Sofa Chair Hospital**CRAURU**$41.39**4.6★**▲ 200%**](https://www.amazon.com/dp/B0GX57NB2M) [**Professional Balance Pad Nonslip Foam Exercise Balance Pad Cushion for Physical Therapy Foam Balance Mat for Exercise Yoga Fitness Stability Training and Stretching (Blue 15.7 * 13.0 * 2in)**Hshbxd**$22.21**4.8★**▲ 184%**](https://www.amazon.com/dp/B0FJX5QTS5) [**ProsourceFit Exercise Balance Pad Non-Slip Cushioned Foam Mat & Knee Pad for Fitness and Stability Training Yoga Physical Therapy 15.5x12.75 Black**ProsourceFit**$24.25**4.8★**▲ 172%**](https://www.amazon.com/dp/B0766565HG)
**~~View all trending →~~**
## **What buyers say about 4 inch foam pad**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**14%
*“Excellent product, incredibly easy to work with, and the firmness is exactly as described”*
**Size-Overall**12%
*“Good fit”*
**Advertised Vs Actual Product**11%
*“As advertised”*
**Comfort-Overall**10%
*“So comfy”*
**Foam**9%
*“Great mattress topper”*
**Cushion**8%
*“Great cushion”*
**Value For Money**6%
*“Great value for the price”*
**Thickness**4%
*“This pad is thick, sturdy and soft enough to be more comfortable than standing on bare or carpeted floor”*
**Soft Feel**3%
*“The foam was soft”*
**Durability**3%
*“very durable”*
### **What buyers complain about **
**Size-Overall**15%
*“Too small”*
**Advertised Vs Actual Product**8%
*“Deceptive advertising”*
**Value For Money**7%
*“pretty pricey”*
**Thickness**7%
*“the mattresses were extremely thin”*
**Cushion**6%
*“This cushion is too hard”*
**Quality-Overall**4%
*“Cheap”*
**Grip**4%
*“it fails to provide any grip”*
**Balance/Stability**3%
*“At first, my balance was a bit wobbly”*
**Strength**3%
*“breaks down quickly”*
**Ease Of Use**2%
*“I cant use it”*
### **Top return reasons **
**Size-Overall**37%
**Cushion**10%
**Thickness**7%
**Balance/Stability**7%
**Advertised Vs Actual Product**6%
**Value For Money**5%
**Material Quality**3%
**Hard Feel**3%
**Functionality-Overall**2%
**Grip**2%
## **Common questions**
- **Is 4 inch foam pad profitable to sell on Amazon United States?**
- The niche generates $33K/yr across 32 tracked products. 6 of 11 products launched in the last 360 days are still selling. 90-day search growth is +28.7%. Flapen's verdict: Skip it (49/100).
- **How competitive is the 4 inch foam pad niche?**
- 22 brands and 27 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 69% of demand.
- **What do buyers complain about in 4 inch foam pad?**
- Top complaints mined from reviews: Size-Overall, Advertised Vs Actual Product, Value For Money. The return rate is 1.4%.
- **What does it cost to enter the 4 inch foam pad niche?**
- Listings span $10.67–$85.93; the average listing price is $39.63 (sweet spot $15–$100). The average incumbent carries 2,377 reviews — the moat a new listing must climb.
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