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styrofoam sheets

Skip it

Weak search conversion (1.6%) — this niche doesn't clear our bar today.

Market size 20Growth 21Conversion 19Competition 85Returns 50Price range 68Avg price 84Brand share 71Review moat 63Quality gap 53

Competition

Great30%

top-5 click share — an open shelf

Avg price

Great$18.62

avg listing price — sweet spot $15–$100

Brand share

Good62%

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

Price range

Good$4.68–$36.76

cheapest to priciest tracked listing — scored on the share inside $15–$100

Review moat

Good982.41

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Returns

Okay3.0%

return rate — above 5% kills the launch gate

Growth

Bad-7.3%

90-day search growth — must beat 0% to launch

Market size

Bad$81K

$81K/yr · 280K searches

Conversion

Bad1.6%

search→purchase rate — share of searches ending in a sale

According to Flapen's Amazon United States niche tracking, styrofoam sheets is a $81K/yr Amazon United States market (280K searches/yr). The top 5 brands hold 62% of demand. Demand peaks in Oct–Nov. Verdict: Skip it — 49/100.

Data updated Jul 8, 2026 · scored weekly · How we score niches

styrofoam sheets market data

Units sold / yr
6K–8K
avg 100–250/product
Revenue / yr
$112K–$149K
units × avg price
Conversion rate
1.6%
Avg BSR
#93
Page quality
0%
Prime
95%
Sponsored
95%
Out of stock
4.7%
Avg brand age
42 months
Avg seller age
183 days

Competition & brand share

Clicks spread well past the top 5 (30% combined) — an open shelf where new products get seen.

Brands

35 falling

Sellers

77

Top-5 brand share

62%

Top 20: 90%

Top-5 click share

30%

Top 20: 66%

Open market

34%

  • SilverlakeLLC25%
  • Crafare20%
  • Super Z Outlet9%
  • BENECREAT5%
  • Zzrywuty4%
  • AMZQNART4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -7.3% search growth over the last 90 days.
8K6KSpike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Oct, Nov · busiest ÷ quietest = 1.7×

Top styrofoam sheets search terms

  • styrofoam sheets93K/yr
  • styrofoam board35K/yr
  • large styrofoam blocks23K/yr
  • unicel para manualidades12K/yr
  • styrofoam for crafts12K/yr
  • styrofoam sheets 2 inch thick11K/yr
  • styrofoam sheet12K/yr
  • styrofoam sheets 1 inch thick12K/yr
  • craft foam blocks7K/yr
  • styrofoam squares7K/yr
All search terms

Top styrofoam sheets 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%3%$2K6%$5K9%$7K12%$10K101001K10K100K Reviews — right = deep review moat Market 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.

What buyers say about styrofoam sheets

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

What buyers love

Quality-Overall18%

“Good quality and easy to customize”

Advertised Vs Actual Product15%

“As described”

Size-Overall8%

“The size is accurate”

Value For Money7%

“Fine for the money”

Ease Of Use6%

“it was very easy to do”

Foam5%

“Great foam”

Durability5%

“versatility of durable material”

Efficiency4%

“They work great best glass wrap”

Strength3%

“Prefect sturdy material”

Thickness3%

“The thickness is accurate”

What buyers complain about

Size-Overall30%

“Not correct size”

Thickness11%

“Thinner than others I have bought”

Value For Money8%

“This item is way too pricey for what you get”

Quality-Overall7%

“Poor Quality Control”

Advertised Vs Actual Product7%

“Not as shown”

Durability4%

“Easy to Break”

Thin2%

“Very very thin”

Smell2%

“Terrible chemical smell that filled the whole room”

Paper Quality1%

“I just wish there was a way to peel off the paper backing so I can carve it”

Color1%

“You cant write or color on this junk”

Top return reasons

Size-Overall62%
Value For Money8%
Advertised Vs Actual Product8%
Material Quality4%
Thickness3%
Thin3%
Functionality-Overall2%
Defective Material/Parts2%
Quality-Overall2%
Foam1%

Common questions

Is styrofoam sheets profitable to sell on Amazon United States?
The niche generates $81K/yr across 63 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -7.3%. Flapen's verdict: Skip it (49/100).
How competitive is the styrofoam sheets niche?
35 brands and 77 sellers compete. The top 5 products take 30% of clicks and top 5 brands hold 62% of demand.
What do buyers complain about in styrofoam sheets?
Top complaints mined from reviews: Size-Overall, Thickness, Value For Money. The return rate is 3.0%.
When does demand for styrofoam sheets peak?
Demand peaks in Oct–Nov; the busiest month runs 1.7× the quietest.
What does it cost to enter the styrofoam sheets niche?
Listings span $4.68–$36.76; the average listing price is $18.62 (sweet spot $15–$100). The average incumbent carries 982 reviews — the moat a new listing must climb.