---
title: "Cosplay Foam — $42K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/arts-crafts-sewing/cosplay-foam"
last_updated: "2026-08-09T18:38:06.772Z"
locale: en
meta:
description: "Niche score 39/100 · $42K/yr market · 29K searches/yr · $18.46 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 39/100 · $42K/yr market · 29K searches/yr · $18.46 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Cosplay Foam — $42K/yr Amazon US Niche (2026) - Flapen"
---
# **cosplay foam**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 10Growth 53Conversion 78Competition 17Returns 72Price range 81Avg price 84Brand share 0Review moat 36Quality gap 19
**Avg price**
**Great****$18.46**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$10.01–$38.77**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Great****7.8%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Good****2.1%**
return rate — above 5% kills the launch gate
**Growth**
**Good****+24.9%**
90-day search growth — must beat 0% to launch
**Review moat**
**Okay****2,887.92**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****79%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****$42K**
$42K/yr · 29K searches
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, cosplay foam is a $42K/yr Amazon United States market (29K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Aug–Sep–Oct. Verdict: Skip it — 39/100.
Data updated Jul 8, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **cosplay foam market data**
- **Units sold / yr**
- **3K–3K**
- avg 100–250/product
- **Revenue / yr**
- **$46K–$55K**
- units × avg price
- **Conversion rate**
- **7.8%**
- **Avg BSR**
- **#631**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **92%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **46 months**
- **Avg seller age**
- **195 days**
## **Competition & brand share**
The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **▼falling
**Sellers**
**6**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**79%**
Top 20: 100%
**Open market**
**0%**
- MEARCOOH39% - AMZQNART28% - The Foamory26% - VEIOPGAB5% - Do²ping2%
## **Demand & seasonality**
Weekly Amazon search volume, last 99 weeks — +24.9% search growth over the last 90 days.
6K4KSpike '24Prime Day '25Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Aug, Sep, Oct · busiest ÷ quietest = 4.7×
[**Open Trend **](https://flapen.com/research/us/arts-crafts-sewing/cosplay-foam/trend)
## **Top cosplay foam search terms**
- **5mm eva foam**15K/yr+19.9%8.4% conv. - **eva foam 5mm**8K/yr+46.0%7.6% conv. - **5mm foam**3K/yr+13.4%5.7% conv. - **5mm foam sheet**2K/yr+14.3%3.7% conv. [**All search terms **](https://flapen.com/research/us/arts-crafts-sewing/cosplay-foam/search-terms)
## **Top cosplay foam 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%10%$4K20%$8K30%$13K40%$17K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 12 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Black Foam Sheets Roll Premium Large EVA Foam Sheet 13.9 x 59 5mm Thick Density 86kg/m3 for Halloween Cosplay Costume Crafts DIY Projects by MEARCOOH**MEARCOOH**$11.99**4.7★7,378 rev](https://www.amazon.com/dp/B09GJQMFS4) [2**AMZQNART EVA Foam 5mm Cosplay Foam Roll 16 x 59in (6.5sqft) Black Suitable for Large Foam Cosplay Modeling DIY Projects Crafts Ultra High Density 90 kg/m3.**AMZQNART**$12.09**4.7★1,025 rev](https://www.amazon.com/dp/B0BFQZ6HBL) [3**Shape Retention EVA Cosplay Foam 5mm (1mm-10mm) 14x39 inch Black or White High Density EVA Foam Sheets. Premium 85 kg/m3 Heat Shape Material for DIY Convention or Halloween Costumes by The Foamory**The Foamory**$18.99**4.7★2,351 rev](https://www.amazon.com/dp/B08YXXCG6J) [4**Shape Retention EVA Cosplay Foam - 5mm Thick (Black) X-Large 35x59 High Density EVA Craft Foam Sheets - Premium 85 kg/m3 Heat Shape Material for DIY Comic Con or Halloween Costumes - The Foamory**The Foamory**$38.77**4.8★2,145 rev](https://www.amazon.com/dp/B0DQCFNQGJ) [5**White Eva Foam Cosplay Sheets roll Premium eva Foam 5mm Thick 59 x 13.9 High Density 86kg/m3 for Cosplay Costume Crafts DIY Projects by MEARCOOH**MEARCOOH**$11.83**4.7★7,378 rev](https://www.amazon.com/dp/B0BFWLN5KW)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**AMZQNART EVA Foam 5mm Cosplay Foam 16x29.5 inch Black High Density 90 kg/m for Craft Projects Cosplay Costumes Fake Weapons Decorations Christmas Easter Thanksgiving etc.**AMZQNART**$10.01**1,025 rev1y ago](https://www.amazon.com/dp/B0FCLJ9YCW) [**Shape Retention EVA Cosplay Foam - 5mm Thick (Black) X-Large 35x59 High Density EVA Craft Foam Sheets - Premium 85 kg/m3 Heat Shape Material for DIY Comic Con or Halloween Costumes - The Foamory**The Foamory**$38.77**2,145 rev1y ago](https://www.amazon.com/dp/B0DQCFNQGJ) [**5mm EVA Foam 2 Pcs 16 x 59 in Cosplay Foam Sheet (6.5sqft) Black Eva Foam Ultra High Density 90 kg/m Large Foam Cosplay DIY Supply for Crafts Cosplay Modeling Halloween Costumes**VEIOPGAB**$20.23**49 rev1y ago](https://www.amazon.com/dp/B0DM1V7GQD) [**Doping Black Foam Sheets Roll 5mm Thick Premium Cosplay EVA Foam Sheet 13.9 x 59 with High Density 86kg/m3 Craft Foam for Costume DIY Projects (5mm Black)**Do²ping**$11.78**1,849 rev2y ago](https://www.amazon.com/dp/B0CNVQFFQ8) [**2-Pack Black Eva Foam Sheets roll Premium eva Craft Foam 5mm Thick 13.9 x 59 High Density 86kg/m3 for Halloween Cosplay Costume Crafts DIY Projects by MEARCOOH**MEARCOOH**$19.89**7,378 rev2y ago](https://www.amazon.com/dp/B0CHVF8CXF)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**2-Pack Black Eva Foam Sheets roll Premium eva Craft Foam 5mm Thick 13.9 x 59 High Density 86kg/m3 for Halloween Cosplay Costume Crafts DIY Projects by MEARCOOH**MEARCOOH**$19.89**4.7★**▲ 93%**](https://www.amazon.com/dp/B0CHVF8CXF) [**AMZQNART EVA Foam 5mm Cosplay Foam 16x29.5 inch Black High Density 90 kg/m for Craft Projects Cosplay Costumes Fake Weapons Decorations Christmas Easter Thanksgiving etc.**AMZQNART**$10.01**4.7★**▲ 78%**](https://www.amazon.com/dp/B0FCLJ9YCW) [**5mm EVA Foam 2 Pcs 16 x 59 in Cosplay Foam Sheet (6.5sqft) Black Eva Foam Ultra High Density 90 kg/m Large Foam Cosplay DIY Supply for Crafts Cosplay Modeling Halloween Costumes**VEIOPGAB**$20.23**4.7★**▲ 54%**](https://www.amazon.com/dp/B0DM1V7GQD) [**AMZQNART EVA Foam 5mm Cosplay Foam Roll 16 x 59in6.5sqftWhite Suitable for Large Foam Cosplay Modeling DIY Projects Crafts Ultra High Density 90 kg/m3.**AMZQNART**$11.86**4.7★**▲ 29%**](https://www.amazon.com/dp/B0C7PYF3TF) [**MEARCOOH EVA Foam Cosplay Black 5mm Thick (1mm to 20mm) Large 35.5 x 59 Sheet Premium High Density 86 kg/m3 for Cosplay Crafts Projects**MEARCOOH**$35.04**4.7★**▲ 22%**](https://www.amazon.com/dp/B0C698BWFT)
**~~View all trending →~~**
## **What buyers say about cosplay foam**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**15%
*“Cheaper than the other places I looked at too”*
**Foam**15%
*“Perfect amount of foam for my cosplay project”*
**Ease Of Use**13%
*“Easy to use”*
**Ease Of Cleaning**10%
*“Great for litter”*
**Thickness**10%
*“thick good”*
**Advertised Vs Actual Product**10%
*“Exactly what I needed”*
**Quality-Overall**8%
*“Very high quality”*
**Material Quality**5%
*“Great Multi-Purpose Crafting Material”*
**Efficiency**5%
*“Works Well”*
**Cushion**5%
*“Good thick padding”*
### **What buyers complain about **
**Defective Material/Parts**50%
*“Kind of my fault”*
**Quality-Overall**25%
*“Lower Quality Than Expected”*
**Material Quality**25%
*“experienced cosplayers and crafters might find the material lacking compared to premium alternatives”*
### **Top return reasons **
**Thickness**23%
**Size-Overall**18%
**Value For Money**11%
**Material Quality**9%
**Advertised Vs Actual Product**9%
**Thin**8%
**Adhesion/Stickiness**4%
**Color**4%
**Functionality-Overall**4%
**Defective Material/Parts**3%
## **Common questions**
- **Is cosplay foam profitable to sell on Amazon United States?**
- The niche generates $42K/yr across 12 tracked products. 90-day search growth is +24.9%. Flapen's verdict: Skip it (39/100).
- **How competitive is the cosplay foam niche?**
- 5 brands and 6 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in cosplay foam?**
- Top complaints mined from reviews: Defective Material/Parts, Quality-Overall, Material Quality. The return rate is 2.1%.
- **When does demand for cosplay foam peak?**
- Demand peaks in Aug–Sep–Oct; the busiest month runs 4.7× the quietest.
- **What does it cost to enter the cosplay foam niche?**
- Listings span $10.01–$38.77; the average listing price is $18.46 (sweet spot $15–$100). The average incumbent carries 2,888 reviews — the moat a new listing must climb.
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