4 inch foam pad
Skip itA small market ($33K/yr) — this niche doesn't clear our bar today.
Avg price
Incredible$39.63avg listing price — sweet spot $15–$100
Price range
Great$10.67–$85.93cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Great1.4%return rate — above 5% kills the launch gate
Brand share
Good69%top-5 brand share — brands hold most of the demand
Growth
Good+28.7%90-day search growth — must beat 0% to launch
Competition
Good55%top-5 click share — leaders hold, buyers still browse
Review moat
Okay2,376.69avg incumbent reviews — the moat a new listing must climb
Conversion
Okay2.5%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.6★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
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 pad9K/yr
- 4 foam9K/yr
- high density upholstery foam 4 inch6K/yr
- 4 inch high density foam3K/yr
- 4 inch thick foam4K/yr
- 4 inch upholstery foam3K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
GoTo Foam 4 Height x 24 Width x 72 Length 44ILD (Firm) Upholstery Cushion Made in USA
GoTo Foam$34.944.6★16,719 rev

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.$45.864.6★1,838 rev

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$35.884.7★404 rev

FOAMYFOAM High Density 4 inch Thick 24 inch Wide 24 inch Long Upholstery Foam Cushion Replacement
FOAMYFOAM$25.114.4★447 rev

ColourTree Custom High-Density Foam (4 Thickness) Firm-to-Medium for Sofa Replacement RV Cushions Camping Mattresses & Couch Seating
ColourTree$60.454.7★13 rev
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$41.3936 rev

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$85.9382 rev

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$58.9968 rev

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$34.3262 rev

Vicatiful High Density Upholstery Foam - 4 x 24 x 24 Firm Foam Padding
Vicatiful$23.1134 rev
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$85.934.6★

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$40.654.3★

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$41.394.6★

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★

ProsourceFit Exercise Balance Pad Non-Slip Cushioned Foam Mat & Knee Pad for Fitness and Stability Training Yoga Physical Therapy 15.5x12.75 Black
ProsourceFit$24.254.8★
What buyers say about 4 inch foam pad
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”
“Good fit”
“As advertised”
“So comfy”
“Great mattress topper”
“Great cushion”
“Great value for the price”
“This pad is thick, sturdy and soft enough to be more comfortable than standing on bare or carpeted floor”
“The foam was soft”
“very durable”
What buyers complain about
“Too small”
“Deceptive advertising”
“pretty pricey”
“the mattresses were extremely thin”
“This cushion is too hard”
“Cheap”
“it fails to provide any grip”
“At first, my balance was a bit wobbly”
“breaks down quickly”
“I cant use it”
Top return reasons
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.