styrofoam sheets
Skip itWeak search conversion (1.6%) — this niche doesn't clear our bar today.
Competition
Great30%top-5 click share — an open shelf
Avg price
Great$18.62avg listing price — sweet spot $15–$100
Brand share
Good62%top-5 brand share — brands hold most of the demand
Price range
Good$4.68–$36.76cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good982.41avg 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.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
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Super Z Outlet Foam Rectangle Blank Polystyrene Sheet Boards for Arts and Crafts Blank White DIY Project Party Decorations (16 x 11 x 2 Inches) (3)
Super Z Outlet$22.304.6★162 rev

Crafare 4 Pack Craft Foam Blocks 14X7X1in Polystyrene Brick Rectangle for Arts School Projects Sculptures Floral Arrangements Modeling and Centerpieces
Crafare$15.654.2★60 rev

BENECREAT 5 Sheets 3mm White Foam Boards 11.8x7.8inch Rectangle Foam PVC Sheet Poster Board Mount Board for Mounting Crafts Modelling Art Display School Projects
BENECREAT$9.424.4★522 rev

Silverlake 11x17x0.5 Craft Foam Boards for Styrofoam Sheet Projects (6-Pack)
SilverlakeLLC$22.524.5★1,834 rev

Silverlake 6x12x1 Craft Foam Boards for Styrofoam Sheet Projects (8-Pack)
SilverlakeLLC$22.634.5★1,834 rev
Newest
by launch date
High Density XPS Foam Board 2 Pack 15.6x11.7X 2in Polystyrene Craft Foam Sheets Rigid and Easy to Shape DIY Modeling Art Projects Party Decoration Cosplay Prop Production Carve Heat Insulation
GVERELD$29.4366 rev

Upgraded 6 Pack Floral Flower Foam Blocks Green Plant Foam for Flower Arrangements Wet & Dry Florist Foam Styrofoam for Fresh and Artificial Flowers (5.5L X 3.1W X 1.6H)
AYNAUHX$9.541,354 rev

Zzrywuty 10 Pack Foam Boards 11 x 14 5mm Thickness Styrofoam Core for Crafts White Poster Vision Presentation Mat Board
Zzrywuty$15.68160 rev

Cholemy 120 Pcs Foam Printing Plates 4 x 6 Inch White Foam Sheets 1/20 Inch Thick Board Paper Sheets for Card Making Crafting Printing DIY Project Stamp Classroom Scrap Booking
Cholemy$14.9682 rev

Crafare 4 Pack Craft Foam Blocks 14X7X1in Polystyrene Brick Rectangle for Arts School Projects Sculptures Floral Arrangements Modeling and Centerpieces
Crafare$15.6560 rev
Trending
90-day click momentum
High Density XPS Foam Board 2 Pack 15.6x11.7X 2in Polystyrene Craft Foam Sheets Rigid and Easy to Shape DIY Modeling Art Projects Party Decoration Cosplay Prop Production Carve Heat Insulation
GVERELD$29.434.4★

FLOFARE Pack of 3 Floral Foam Blocks Each (6L x 3W x 1.75H) Green Wet & Dry Flower Foam for Fresh & Artificial Flower Arrangement Plant Foam Florist Supplies for DIYs Arts Crafts & Weddings
FLOFARE$7.094.4★

Upgraded 6 Pack Floral Flower Foam Blocks Green Plant Foam for Flower Arrangements Wet & Dry Florist Foam Styrofoam for Fresh and Artificial Flowers (5.5L X 3.1W X 1.6H)
AYNAUHX$9.544.4★

Crafare 8 Pack Craft Foam Blocks 6X4X2in Polystyrene Brick Rectangle for Arts School Projects Sculptures Floral Arrangements Modeling and Centerpieces
Crafare$15.044.5★

Silverlake 11x17x1 Craft Foam Boards for Styrofoam Sheet Projects (7-Pack)
SilverlakeLLC$25.914.5★
What buyers say about styrofoam sheets
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality and easy to customize”
“As described”
“The size is accurate”
“Fine for the money”
“it was very easy to do”
“Great foam”
“versatility of durable material”
“They work great best glass wrap”
“Prefect sturdy material”
“The thickness is accurate”
What buyers complain about
“Not correct size”
“Thinner than others I have bought”
“This item is way too pricey for what you get”
“Poor Quality Control”
“Not as shown”
“Easy to Break”
“Very very thin”
“Terrible chemical smell that filled the whole room”
“I just wish there was a way to peel off the paper backing so I can carve it”
“You cant write or color on this junk”
Top return reasons
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.