---
title: "Styrofoam — $404K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/arts-crafts-sewing/styrofoam"
last_updated: "2026-08-09T08:52:16.136Z"
locale: en
meta:
  description: "Niche score 55/100 · $404K/yr market · 892K searches/yr · $17.23 avg price. Soft demand (-7.8% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 55/100 · $404K/yr market · 892K searches/yr · $17.23 avg price. Soft demand (-7.8% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Styrofoam — $404K/yr Amazon US Niche (2026) - Flapen"
---

# **styrofoam**

**Worth a look**

Shows a fragmented shelf (top 5 take 32% of clicks), but soft demand (-7.8% this quarter) keeps it on the watch list.

Market size 56Growth 21Conversion 33Competition 83Returns 48Price range 67Avg price 81Brand share 71Review moat 63Quality gap 52

**Competition**

**Great****32%**

top-5 click share — an open shelf

**Avg price**

**Great****$17.23**

avg listing price — sweet spot $15–$100

**Brand share**

**Good****62%**

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

**Price range**

**Good****$5.79–$33.73**

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

**Review moat**

**Good****992.59**

avg incumbent reviews — the moat a new listing must climb

**Market size**

**Good****$404K**

$404K/yr · 892K searches

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Returns**

**Okay****3.1%**

return rate — above 5% kills the launch gate

**Conversion**

**Okay****2.6%**

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

**Growth**

**Bad****-7.8%**

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

According to Flapen's Amazon United States niche tracking, styrofoam is a $404K/yr Amazon United States market (892K searches/yr). The top 5 brands hold 62% of demand. Demand peaks in Nov. Verdict: Worth a look — 55/100.

Data updated Jul 8, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **styrofoam market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**30K–40K**</dd><dd>avg 250–500/product</dd>

<dt>**Revenue / yr**</dt><dd>**$517K–$689K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**2.6%**</dd>

<dt>**Avg BSR**</dt><dd>**#74**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**98%**</dd>

<dt>**Sponsored**</dt><dd>**95%**</dd>

<dt>**Out of stock**</dt><dd>**4.1%**</dd>

<dt>**Avg brand age**</dt><dd>**44 months**</dd>

<dt>**Avg seller age**</dt><dd>**169 days**</dd>

</dl>

## **Competition & brand share**

Clicks spread well past the top 5 (32% combined) — an open shelf where new products get seen.

**Brands**

**31 **▼falling

**Sellers**

**44**

**Top-5 brand share**

**62%**

Top 20: 94%

**Top-5 click share**

**32%**

Top 20: 71%

**Open market**

**34%**

- Crafare27% - SilverlakeLLC14% - FLOFARE9% - AYNAUHX8% - Super Z Outlet5% - Ortarco4%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -7.8% search growth over the last 90 days.

25K15KSpike '24Black Friday '24Spike '25 seasonSepDecMarJunAugNovMarMay

Peak months: Nov · busiest ÷ quietest = 1.7×

[**Open Trend **](https://flapen.com/research/us/arts-crafts-sewing/styrofoam/trend)

## **Top styrofoam search terms**

- **styrofoam**318K/yr+10.6%2.4% conv. - **styrofoam block**234K/yr-35.3%4.4% conv. - **styrofoam sheets**93K/yr-18.9%1.5% conv. - **styrofoam blocks**46K/yr+26.2%3.0% conv. - **large styrofoam blocks**23K/yr+31.7%1.0% conv. - **foam blocks for crafts**30K/yr-21.4%2.8% conv. - **polystyrene foam**17K/yr+3.9%1.1% conv. - **craft foam block**16K/yr+2.4%3.1% conv. - **polystyrene**15K/yr+4.7%0.4% conv. - **styrofoam blocks for crafts**12K/yr-10.3%3.5% conv. [**All search terms **](https://flapen.com/research/us/arts-crafts-sewing/styrofoam/search-terms)

## **Top styrofoam 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%$12K6%$24K9%$36K12%$48K1101001K10K 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![Crafare 8 Pack Craft Foam Blocks 6X4X2in Polystyrene Brick Rectangle for Arts School Projects Sculptures Floral Arrangements Modeling and Centerpieces](https://m.media-amazon.com/images/I/21BQTtGL8mS.jpg)**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★493 rev](https://www.amazon.com/dp/B085MGDJ69) [2![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)](https://m.media-amazon.com/images/I/41CRwYxwlsL.jpg)**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★1,354 rev](https://www.amazon.com/dp/B0D9M59R5Q) [3![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](https://m.media-amazon.com/images/I/316TtEX3yLL.jpg)**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★2,637 rev](https://www.amazon.com/dp/B0BY5YL19N) [4![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)](https://m.media-amazon.com/images/I/31YPBLe1uOL.jpg)**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) [5![Crafare 4X4X2 Inch Craft Foam Blocks 24 Pack Polystyrene Brick for Arts and Crafts School Projects Sculptures Floral Arrangements Modeling Holiday Centerpieces](https://m.media-amazon.com/images/I/31b4ywppxPL.jpg)**Crafare 4X4X2 Inch Craft Foam Blocks 24 Pack Polystyrene Brick for Arts and Crafts School Projects Sculptures Floral Arrangements Modeling Holiday Centerpieces**Crafare**$19.51**4.5★493 rev](https://www.amazon.com/dp/B085MGS3V1)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![8 Pcs Craft Foam Blocks 6x4x2 Inch Styrofoam Blocks White Foam Bricks for School Projects Sculpting Modeling Floral Arrangements Packing and DIY Crafts - Lightweight and Durable (6x4x2inch-8pcs)](https://m.media-amazon.com/images/I/31oa30Kp4XL.jpg)**8 Pcs Craft Foam Blocks 6x4x2 Inch Styrofoam Blocks White Foam Bricks for School Projects Sculpting Modeling Floral Arrangements Packing and DIY Crafts - Lightweight and Durable (6x4x2inch-8pcs)**LUOKER**$13.87**8 rev4mo ago](https://www.amazon.com/dp/B0GRGX8J81) [![Pack of 6 Floral Foam Blocks 8.9x4.1x2.7 Dry and Wet Flower Foam for Fresh and Artificial Flowers Florist Styrofoam Flower Arrangements Supplies Decorations for Wedding Birthdays and Garden](https://m.media-amazon.com/images/I/41f6mVVlHEL.jpg)**Pack of 6 Floral Foam Blocks 8.9x4.1x2.7 Dry and Wet Flower Foam for Fresh and Artificial Flowers Florist Styrofoam Flower Arrangements Supplies Decorations for Wedding Birthdays and Garden**gorsent**$19.99**208 rev8mo ago](https://www.amazon.com/dp/B0FWRTY4JR) [![Mkobon 6 Pack Floral Foam Blocks Green Plant Dry & Wet Flower Arrangement Foam Styrofoam Block for Fresh and Artificial Flowers Decor Supplies for Wedding Home Garden (5.5L x 3.1W x 1.6H)](https://m.media-amazon.com/images/I/31rZExw81GL.jpg)**Mkobon 6 Pack Floral Foam Blocks Green Plant Dry & Wet Flower Arrangement Foam Styrofoam Block for Fresh and Artificial Flowers Decor Supplies for Wedding Home Garden (5.5L x 3.1W x 1.6H)**Mkobon**$8.94**181 rev10mo ago](https://www.amazon.com/dp/B0FP518T9L) [![Ortarco 3 Pack Floral Foam Blocks (5.5 x 3.1 x 1.7) Wet and Dry Flower Foam for Flower Arrangements Supplies Flower Foam Blocks for Fresh or Artificial Flowers in Art Crafts and DIY Decorations](https://m.media-amazon.com/images/I/413P3IERLKL.jpg)**Ortarco 3 Pack Floral Foam Blocks (5.5 x 3.1 x 1.7) Wet and Dry Flower Foam for Flower Arrangements Supplies Flower Foam Blocks for Fresh or Artificial Flowers in Art Crafts and DIY Decorations**Ortarco**$5.79**584 rev1y ago](https://www.amazon.com/dp/B0DJ2ZDQWJ) [![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)](https://m.media-amazon.com/images/I/41CRwYxwlsL.jpg)**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)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![8 Pcs Craft Foam Blocks 6x4x2 Inch Styrofoam Blocks White Foam Bricks for School Projects Sculpting Modeling Floral Arrangements Packing and DIY Crafts - Lightweight and Durable (6x4x2inch-8pcs)](https://m.media-amazon.com/images/I/31oa30Kp4XL.jpg)**8 Pcs Craft Foam Blocks 6x4x2 Inch Styrofoam Blocks White Foam Bricks for School Projects Sculpting Modeling Floral Arrangements Packing and DIY Crafts - Lightweight and Durable (6x4x2inch-8pcs)**LUOKER**$13.87**4.8★**▲ 297%**](https://www.amazon.com/dp/B0GRGX8J81) [![Mkobon 6 Pack Floral Foam Blocks Green Plant Dry & Wet Flower Arrangement Foam Styrofoam Block for Fresh and Artificial Flowers Decor Supplies for Wedding Home Garden (5.5L x 3.1W x 1.6H)](https://m.media-amazon.com/images/I/31rZExw81GL.jpg)**Mkobon 6 Pack Floral Foam Blocks Green Plant Dry & Wet Flower Arrangement Foam Styrofoam Block for Fresh and Artificial Flowers Decor Supplies for Wedding Home Garden (5.5L x 3.1W x 1.6H)**Mkobon**$8.94**4.4★**▲ 196%**](https://www.amazon.com/dp/B0FP518T9L) [![Pack of 6 Floral Foam Blocks 8.9x4.1x2.7 Dry and Wet Flower Foam for Fresh and Artificial Flowers Florist Styrofoam Flower Arrangements Supplies Decorations for Wedding Birthdays and Garden](https://m.media-amazon.com/images/I/41f6mVVlHEL.jpg)**Pack of 6 Floral Foam Blocks 8.9x4.1x2.7 Dry and Wet Flower Foam for Fresh and Artificial Flowers Florist Styrofoam Flower Arrangements Supplies Decorations for Wedding Birthdays and Garden**gorsent**$19.99**4.7★**▲ 171%**](https://www.amazon.com/dp/B0FWRTY4JR) [![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](https://m.media-amazon.com/images/I/21BQwn4R-VL.jpg)**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★**▲ 146%**](https://www.amazon.com/dp/B08M3FYVYW) [![Crafare 12X8X1 Inch Craft Foam Blocks 4 Pack Polystyrene Foam Sheet Rectangle Foam Blocks for Arts School Projects Sculptures Floral Arrangements Modeling and Centerpieces](https://m.media-amazon.com/images/I/31NyVActV8L.jpg)**Crafare 12X8X1 Inch Craft Foam Blocks 4 Pack Polystyrene Foam Sheet Rectangle Foam Blocks for Arts School Projects Sculptures Floral Arrangements Modeling and Centerpieces**Crafare**$16.76**4.4★**▲ 92%**](https://www.amazon.com/dp/B0C7GBP2PX)

**~~View all trending →~~**

## **What buyers say about styrofoam**

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

### **What buyers love **

**Quality-Overall**19%

*“Its great quality and so easy to use and customize”*

**Advertised Vs Actual Product**16%

*“As described”*

**Size-Overall**10%

*“Convenient size”*

**Value For Money**8%

*“Good Value”*

**Ease Of Use**7%

*“Ease of use”*

**Durability**5%

*“Durable, easy to use”*

**Strength**3%

*“Very sturdy”*

**Foam**3%

*“Great foam”*

**Design-Overall**3%

*“Love the design”*

**Efficiency**3%

*“They work great best glass wrap”*

### **What buyers complain about **

**Size-Overall**37%

*“Extremely small”*

**Value For Money**11%

*“Too expensive”*

**Quality-Overall**7%

*“Poor Quality Control”*

**Advertised Vs Actual Product**6%

*“Not as shown”*

**Durability**5%

*“falls apart easily”*

**Thickness**4%

*“They are thin as some reports have been”*

**Strength**2%

*“These are flimsy”*

**Hard Feel**2%

*“They were rather hard”*

**Ease Of Cleaning**1%

*“They are messy”*

**Thin**1%

*“they are so thin”*

### **Top return reasons **

**Size-Overall**69%

**Value For Money**8%

**Advertised Vs Actual Product**6%

**Material Quality**3%

**Functionality-Overall**2%

**Defective Material/Parts**2%

**Thickness**1%

**Quality-Overall**1%

**Thin**1%

**Color**1%

## **Common questions**

<dl>

<dt>**Is styrofoam profitable to sell on Amazon United States?**</dt><dd>The niche generates $404K/yr across 61 tracked products. 4 of 6 products launched in the last 360 days are still selling. 90-day search growth is -7.8%. Flapen's verdict: Worth a look (55/100).</dd>

<dt>**How competitive is the styrofoam niche?**</dt><dd>31 brands and 44 sellers compete. The top 5 products take 32% of clicks and top 5 brands hold 62% of demand.</dd>

<dt>**What do buyers complain about in styrofoam?**</dt><dd>Top complaints mined from reviews: Size-Overall, Value For Money, Quality-Overall. The return rate is 3.1%.</dd>

<dt>**When does demand for styrofoam peak?**</dt><dd>Demand peaks in Nov; the busiest month runs 1.7× the quietest.</dd>

<dt>**What does it cost to enter the styrofoam niche?**</dt><dd>Listings span $5.79–$33.73; the average listing price is $17.23 (sweet spot $15–$100). The average incumbent carries 993 reviews — the moat a new listing must climb.</dd>

</dl>

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