---
title: "Styrofoam Sheets — $81K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/arts-crafts-sewing/styrofoam-sheets"
last_updated: "2026-08-09T08:05:09.275Z"
locale: en
meta:
description: "Niche score 49/100 · $81K/yr market · 280K searches/yr · $18.62 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 49/100 · $81K/yr market · 280K searches/yr · $18.62 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Styrofoam Sheets — $81K/yr Amazon US Niche (2026) - Flapen"
---
# **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**
**Great****30%**
top-5 click share — an open shelf
**Avg price**
**Great****$18.62**
avg listing price — sweet spot $15–$100
**Brand share**
**Good****62%**
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**
**Good****982.41**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Returns**
**Okay****3.0%**
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**
**Bad****1.6%**
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 ~~](https://flapen.com/research/methodology)
## **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 '26 seasonSepDecMarJunAugNovMarMay
Peak months: Oct, Nov · busiest ÷ quietest = 1.7×
[**Open Trend **](https://flapen.com/research/us/arts-crafts-sewing/styrofoam-sheets/trend)
## **Top styrofoam sheets search terms**
- **styrofoam sheets**93K/yr-18.9%1.8% conv. - **styrofoam board**35K/yr-8.5%1.4% conv. - **large styrofoam blocks**23K/yr+31.7%1.0% conv. - **unicel para manualidades**12K/yr-13.2%0.7% conv. - **styrofoam for crafts**12K/yr-0.5%2.5% conv. - **styrofoam sheets 2 inch thick**11K/yr+16.2%1.9% conv. - **styrofoam sheet**12K/yr-3.8%2.3% conv. - **styrofoam sheets 1 inch thick**12K/yr-14.3%2.5% conv. - **craft foam blocks**7K/yr+29.1%1.5% conv. - **styrofoam squares**7K/yr-11.4%1.9% conv. [**All search terms **](https://flapen.com/research/us/arts-crafts-sewing/styrofoam-sheets/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 moatMarket 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.
### **Top sellers**
by 90-day click share
[1**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**$22.30**4.6★162 rev](https://www.amazon.com/dp/B08F6F4VPJ) [2**Crafare 4 Pack Craft Foam Blocks 14X7X1in Polystyrene Brick Rectangle for Arts School Projects Sculptures Floral Arrangements Modeling and Centerpieces**Crafare**$15.65**4.2★60 rev](https://www.amazon.com/dp/B0C7GBX5D5) [3**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**$9.42**4.4★522 rev](https://www.amazon.com/dp/B08M3FYVYW) [4**Silverlake 11x17x0.5 Craft Foam Boards for Styrofoam Sheet Projects (6-Pack)**SilverlakeLLC**$22.52**4.5★1,834 rev](https://www.amazon.com/dp/B07Z3G9JC7) [5**Silverlake 6x12x1 Craft Foam Boards for Styrofoam Sheet Projects (8-Pack)**SilverlakeLLC**$22.63**4.5★1,834 rev](https://www.amazon.com/dp/B08WLCXMTL)
**~~View all top sellers →~~**
### **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**$29.43**66 rev1y ago](https://www.amazon.com/dp/B0FBX5SG6Q) [**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**$9.54**1,354 rev1y ago](https://www.amazon.com/dp/B0D9M59R5Q) [**Zzrywuty 10 Pack Foam Boards 11 x 14 5mm Thickness Styrofoam Core for Crafts White Poster Vision Presentation Mat Board**Zzrywuty**$15.68**160 rev2y ago](https://www.amazon.com/dp/B0CQNMH4YS) [**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**$14.96**82 rev3y ago](https://www.amazon.com/dp/B0CBKD97G1) [**Crafare 4 Pack Craft Foam Blocks 14X7X1in Polystyrene Brick Rectangle for Arts School Projects Sculptures Floral Arrangements Modeling and Centerpieces**Crafare**$15.65**60 rev3y ago](https://www.amazon.com/dp/B0C7GBX5D5)
**~~View all new products →~~**
### **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**$29.43**4.4★**▲ 111%**](https://www.amazon.com/dp/B0FBX5SG6Q) [**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**$7.09**4.4★**▲ 92%**](https://www.amazon.com/dp/B0BY5YL19N) [**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**$9.54**4.4★**▲ 88%**](https://www.amazon.com/dp/B0D9M59R5Q) [**Crafare 8 Pack Craft Foam Blocks 6X4X2in Polystyrene Brick Rectangle for Arts School Projects Sculptures Floral Arrangements Modeling and Centerpieces**Crafare**$15.04**4.5★**▲ 83%**](https://www.amazon.com/dp/B085MGDJ69) [**Silverlake 11x17x1 Craft Foam Boards for Styrofoam Sheet Projects (7-Pack)**SilverlakeLLC**$25.91**4.5★**▲ 83%**](https://www.amazon.com/dp/B07SPDHV9Y)
**~~View all trending →~~**
## **What buyers say about styrofoam sheets**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**18%
*“Good quality and easy to customize”*
**Advertised Vs Actual Product**15%
*“As described”*
**Size-Overall**8%
*“The size is accurate”*
**Value For Money**7%
*“Fine for the money”*
**Ease Of Use**6%
*“it was very easy to do”*
**Foam**5%
*“Great foam”*
**Durability**5%
*“versatility of durable material”*
**Efficiency**4%
*“They work great best glass wrap”*
**Strength**3%
*“Prefect sturdy material”*
**Thickness**3%
*“The thickness is accurate”*
### **What buyers complain about **
**Size-Overall**30%
*“Not correct size”*
**Thickness**11%
*“Thinner than others I have bought”*
**Value For Money**8%
*“This item is way too pricey for what you get”*
**Quality-Overall**7%
*“Poor Quality Control”*
**Advertised Vs Actual Product**7%
*“Not as shown”*
**Durability**4%
*“Easy to Break”*
**Thin**2%
*“Very very thin”*
**Smell**2%
*“Terrible chemical smell that filled the whole room”*
**Paper Quality**1%
*“I just wish there was a way to peel off the paper backing so I can carve it”*
**Color**1%
*“You cant write or color on this junk”*
### **Top return reasons **
**Size-Overall**62%
**Value For Money**8%
**Advertised Vs Actual Product**8%
**Material Quality**4%
**Thickness**3%
**Thin**3%
**Functionality-Overall**2%
**Defective Material/Parts**2%
**Quality-Overall**2%
**Foam**1%
## **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.
## **Related niches in Arts, Crafts & Sewing**
- 67 [**halloween fabric**](https://flapen.com/research/us/arts-crafts-sewing/halloween-fabric)$80K/yr+204.4%**Worth a look**- 67 [**cyanotype kit**](https://flapen.com/research/us/arts-crafts-sewing/cyanotype-kit)$505K/yr+129.8%**Worth a look**- 68 [**bracelet making kit**](https://flapen.com/research/us/arts-crafts-sewing/bracelet-making-kit)$8.1M/yr+22.4%**Launch it**- 68 [**graduation cap decorations**](https://flapen.com/research/us/arts-crafts-sewing/graduation-cap-decorations)$229K/yr+425.9%**Worth a look**- 68 [**foam cutter**](https://flapen.com/research/us/arts-crafts-sewing/foam-cutter)$2.1M/yr+3.7%**Launch it**- 68 [**window markers**](https://flapen.com/research/us/arts-crafts-sewing/window-markers)$1.3M/yr+132.8%**Launch it**[**All Arts, Crafts & Sewing niches **](https://flapen.com/research/us/arts-crafts-sewing)