6 inch foam
Skip itA small market ($44K/yr) — this niche doesn't clear our bar today.
Price range
Incredible$20.08–$84.79cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great$47.32avg listing price — sweet spot $15–$100
Returns
Great1.9%return rate — above 5% kills the launch gate
Review moat
Okay2,131.29avg incumbent reviews — the moat a new listing must climb
Competition
Okay61%top-5 click share — leaders hold, buyers still browse
Growth
Okay+8.5%90-day search growth — must beat 0% to launch
Conversion
Okay2.8%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Brand share
Okay89%top-5 brand share — brands hold most of the demand
Market size
Bad$44K$44K/yr · 33K searches
According to Flapen's Amazon United States niche tracking, 6 inch foam is a $44K/yr Amazon United States market (33K searches/yr). The top 5 brands hold 89% of demand. Demand peaks in May–Jun. Verdict: Skip it — 42/100.
Data updated Jul 18, 2026 · scored weekly · How we score niches
6 inch foam market data
- Units sold / yr
- 1K–1K
- avg 0–100/product
- Revenue / yr
- $47K–$59K
- units × avg price
- Conversion rate
- 2.8%
- Avg BSR
- #46
- Page quality
- 0%
- Prime
- 57%
- Sponsored
- 95%
- Out of stock
- 0.0%
- Avg brand age
- 38 months
- Avg seller age
- 202 days
Competition & brand share
The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.Brands
10 rising
Sellers
14
Top-5 brand share
89%
Top 20: 100%
Top-5 click share
61%
Top 20: 99%
Open market
8%
- GoTo Foam43%
- FOAMYFOAM17%
- FoamTouch16%
- Coaseb8%
- AK TRADING CO.5%
- Frienda3%
- Open — no brand owns it (4 brands, 8%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +8.5% search growth over the last 90 days.Peak months: May, Jun · busiest ÷ quietest = 1.7×
Top 6 inch foam search terms
- 6 inch foam9K/yr
- 6 inch foam pad6K/yr
- 6 foam pad4K/yr
- 6 foam5K/yr
- upholstery foam 6 inch thick4K/yr
- foam cushion 6 inch thick high density5K/yr
Top 6 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.
All 21 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
GoTo Foam 6 Height x 24 Width x 72 Length 44ILD (Firm) Upholstery Cushion Made in USA
GoTo Foam$42.334.6★16,719 rev

FOAMYFOAM High Density 6 inch Thick 24 inch Wide 24 inch Long Upholstery Foam Cushion Replacement
FOAMYFOAM$29.494.5★892 rev

FoamTouch High Density Upholstery Foam (6 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$42.884.7★404 rev

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$53.524.5★314 rev

GoTo Foam 6 Height x 24 Width x 24 Length 43ILD (Firm) Upholstery Cushion Made in USA
GoTo Foam$20.084.6★487 rev
Newest
by launch date
Couch Cushion Replacement 6H High Density Upholstery Foam Cushion Insert
idee-home$28.2817 rev

Tohetsuzp High Density Upholstery Foam Cushion - 6 Thick x 24 x 72 Gel Memory Foam Support Padding for Seat Cushion Replacement DIY Projects Sofa Mattress Support
Tohetsuzp$84.7968 rev

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$45.2672 rev

Frienda 1 Pack 6 x 24 x 27 Upholstery High Density Craft Foam Sheets Replacement Square Cut to Size Cushion Chair Padding Suitable for Shipping Packing Cushion Foam Mailing Cosplay(White)
Frienda$37.71105 rev

Frienda 1 Pack 6 x 26 x 26 Upholstery High Density Craft Foam Sheets Replacement Square Cut to Size Cushion Chair Padding Suitable for Shipping Packing Cushion Foam Mailing Cosplay(White)
Frienda$38.2813 rev
Trending
90-day click momentum
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$22.214.8★

Frienda 1 Pack 6 x 26 x 26 Upholstery High Density Craft Foam Sheets Replacement Square Cut to Size Cushion Chair Padding Suitable for Shipping Packing Cushion Foam Mailing Cosplay(White)
Frienda$38.284.3★

Frienda 1 Pack 6 x 24 x 27 Upholstery High Density Craft Foam Sheets Replacement Square Cut to Size Cushion Chair Padding Suitable for Shipping Packing Cushion Foam Mailing Cosplay(White)
Frienda$37.714.4★

AK Trading CO. AK-Trading Upholstery High Density 6 Height x 24 Width x 72 Length-Home or Commercial Use Seat Replacement Cushion-Made in USA Foam (FOAM-HD-6x24x72)
AK TRADING CO.$62.104.6★

Tohetsuzp High Density Upholstery Foam Cushion - 6 Thick x 24 x 72 Gel Memory Foam Support Padding for Seat Cushion Replacement DIY Projects Sofa Mattress Support
Tohetsuzp$84.794.3★
What buyers say about 6 inch foam
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent product, incredibly easy to work with, and the firmness is exactly as described”
“Great size”
“As advertised”
“Cushions are remaining firm”
“Very comfortable”
“Great Memory Foam”
“Great value for the price”
“Very firm in 6 thickness”
“Nice and FIRM”
“Easy to use”
What buyers complain about
“Too small”
“pretty pricey”
“I returned the cushions because they were softer than what I wanted”
“Uncomfortable”
“Inconsistent quality and firmness”
“absolutely nothing like the description”
“It did not seem high density at all”
“Hot glue doesn't work too well on it”
“Not everyone can measure accurately”
“It is much more firmer than I anticipated”
Top return reasons
Common questions
- Is 6 inch foam profitable to sell on Amazon United States?
- The niche generates $44K/yr across 21 tracked products. 4 of 6 products launched in the last 360 days are still selling. 90-day search growth is +8.5%. Flapen's verdict: Skip it (42/100).
- How competitive is the 6 inch foam niche?
- 10 brands and 14 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 89% of demand.
- What do buyers complain about in 6 inch foam?
- Top complaints mined from reviews: Size-Overall, Value For Money, Cushion. The return rate is 1.9%.
- When does demand for 6 inch foam peak?
- Demand peaks in May–Jun; the busiest month runs 1.7× the quietest.
- What does it cost to enter the 6 inch foam niche?
- Listings span $20.08–$84.79; the average listing price is $47.32 (sweet spot $15–$100). The average incumbent carries 2,131 reviews — the moat a new listing must climb.