Is high density upholstery foam profitable to sell on Amazon United States?

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).

How competitive is the high density upholstery foam niche?

33 brands and 40 sellers compete. The top 5 products take 34% of clicks and top 5 brands hold 62% of demand.

What do buyers complain about in high density upholstery foam?

Top complaints mined from reviews: Cushion, Size-Overall, Thickness. The return rate is 2.3%.

When does demand for high density upholstery foam peak?

Demand is steady year-round — the busiest month runs 1.2× the quietest.

What does it cost to enter the high density upholstery foam niche?

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.

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.

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

Great34%

top-5 click share — an open shelf

Brand share

Good62%

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

Returns

Good2.3%

return rate — above 5% kills the launch gate

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Review moat

Okay2,647.17

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

Bad1.6%

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

high density upholstery foam market data

Units sold / yr: 3K–4K; avg 0–100/product
Revenue / yr: $124K–$165K; units × avg price
Conversion rate: 1.6%
Avg BSR: #115
Page quality: 0%
Prime: 71%
Sponsored: 98%
Out of stock: 2.5%
Avg brand age: 35 months
Avg seller age: 180 days

Competition & brand share

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

Brands

33 rising

Sellers

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.

No pronounced peak months · busiest ÷ quietest = 1.2×

Open Trend

Top high density upholstery foam search terms

couch cushion foam32K/yr +0.8%1.1% conv.
outdoor foam for cushions15K/yr +133.8%0.9% conv.
seat cushion foam18K/yr +17.7%2.1% conv.
foam for outdoor cushions7K/yr +121.3%1.2% conv.
foam cushion for couch12K/yr -25.7%1.6% conv.
foam inserts for couch cushions9K/yr +43.4%0.9% conv.
sofa cushion foam13K/yr -18.3%0.7% conv.
seat foam replacement6K/yr -3.3%1.4% conv.
foam for sofa cushions6K/yr -2.2%0.7% conv.
foam for bench cushion5K/yr +6.3%2.0% conv.

All 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.

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

FOAMYFOAM High Density 6 inch Thick 24 inch Wide 24 inch Long Upholstery Foam Cushion Replacement

FOAMYFOAM$29.494.5★886 rev

GoTo Foam 2 Height x 24 Width x 72 Length 43ILD (Firm) Upholstery Cushion Made in USA

GoTo Foam$26.654.6★16,685 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$53.514.5★305 rev

GoTo Foam 1 Height x 24 Width x 72 Length 44ILD (Firm) Upholstery Cushion Made in USA

GoTo Foam$19.934.6★16,685 rev

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$52.024.3★338 rev

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

GORILLA GRIP$15.30121 rev

3mo ago

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$97.15122 rev

4mo ago

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$45.2870 rev

10mo ago

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$25.83180 rev

10mo ago

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$20.13375 rev

1y ago

What buyers say about high density upholstery foam

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

What buyers love

Quality-Overall17%

“quality options that were by far the best”

Cushion14%

“Amazing Cushion”

Size-Overall10%

“Fit like a charm”

Advertised Vs Actual Product9%

“As described”

Comfort-Overall7%

“Very Comfortable”

Foam6%

“Great foam”

Value For Money6%

“Good Deal”

Balance/Stability3%

“Good for balance”

Thickness2%

“Nice and dense for what I needed”

Durability2%

“It's durable”

What buyers complain about

Cushion10%

“This cushion is too hard”

Size-Overall9%

“They don't fit”

Thickness9%

“Not 1inch thick more like a half inch”

Value For Money6%

“too expensive”

Quality-Overall5%

“Expensive garbage”

Advertised Vs Actual Product4%

“Not what was pictured”

Hard Feel3%

“It is not as soft as the one at PT”

Strength3%

“Not as strong as I thought they where”

Comfort-Overall3%

“Very uncomfortable”

Ease Of Use2%

“not easy to”

Top return reasons

Size-Overall32%

Cushion20%

Thickness7%

Advertised Vs Actual Product7%

Balance/Stability3%

Functionality-Overall3%

Value For Money3%

Thin2%

Material Quality2%

Hard Feel2%

Common questions

Is high density upholstery foam profitable to sell on Amazon United States?: 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).
How competitive is the high density upholstery foam niche?: 33 brands and 40 sellers compete. The top 5 products take 34% of clicks and top 5 brands hold 62% of demand.
What do buyers complain about in high density upholstery foam?: Top complaints mined from reviews: Cushion, Size-Overall, Thickness. The return rate is 2.3%.
When does demand for high density upholstery foam peak?: Demand is steady year-round — the busiest month runs 1.2× the quietest.
What does it cost to enter the high density upholstery foam niche?: 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.