---
title: "10 Oz Styrofoam Cups — $73K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/10-oz-styrofoam-cups"
last_updated: "2026-08-09T02:12:07.485Z"
locale: en
meta:
description: "Niche score 50/100 · $73K/yr market · 15K searches/yr. Brand-locked demand (top 5 brands take 95% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 50/100 · $73K/yr market · 15K searches/yr. Brand-locked demand (top 5 brands take 95% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "10 Oz Styrofoam Cups — $73K/yr Amazon US Niche (2026) - Flapen"
---
# **10 oz styrofoam cups**
**Worth a look**
Shows low returns (0.3%), but brand-locked demand (top 5 brands take 95% of clicks) keeps it on the watch list.
Market size 18Growth 25Conversion 96Competition 17Returns 98Price range 95Avg price 95Brand share 11Review moat 72Quality gap 70
**Returns**
**Incredible****0.3%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****13.0%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Incredible****$37.04**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$15.92–$58.98**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Good****611.3**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-0.3%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****$73K**
$73K/yr · 15K searches
**Competition**
**Bad****80%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****95%**
top-5 brand share — brand-locked demand
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United States niche tracking, 10 oz styrofoam cups is a $73K/yr Amazon United States market (15K searches/yr). The top 5 brands hold 95% of demand. Verdict: Worth a look — 50/100.
Data updated Jul 13, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **10 oz styrofoam cups market data**
- **Units sold / yr**
- **2K–3K**
- avg 100–250/product
- **Revenue / yr**
- **$74K–$93K**
- units × avg price
- **Conversion rate**
- **13.0%**
- **Avg BSR**
- **#1,560**
- **Page quality**
- **0%**
- **Prime**
- **50%**
- **Sponsored**
- **50%**
- **Out of stock**
- **6.2%**
- **Avg brand age**
- **57 months**
- **Avg seller age**
- **159 days**
## **Competition & brand share**
The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**7 **▼falling
**Sellers**
**104**
**Top-5 brand share**
**95%**
Top 20: 100%
**Top-5 click share**
**80%**
Top 20: 100%
**Open market**
**2%**
- StockHomery29% - DART25% - Mr Miracle18% - Wincup18% - Kleen5% - Genuine Joe3% - Open — no brand owns it (1 brand, 2%)
## **Demand & seasonality**
Weekly Amazon search volume, last 97 weeks — -0.3% search growth over the last 90 days.
500300Spike '24Holiday '24Spike '25Black Friday '25Holiday '25Spike '26 seasonDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/health-household/10-oz-styrofoam-cups/trend)
## **Top 10 oz styrofoam cups search terms**
- **10 oz styrofoam cups**4K/yr+17.3%14.2% conv. - **10 oz foam cups**3K/yr+25.8%11.1% conv. - **styrofoam cups 10 oz**4K/yr-25.5%11.7% conv. - **foam cups 10 oz**4K/yr-12.2%7.5% conv. [**All search terms **](https://flapen.com/research/us/health-household/10-oz-styrofoam-cups/search-terms)
## **Top 10 oz styrofoam cups 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%$7K20%$15K30%$22K40%$29K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 10 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**StockHomery 10 Oz Foam Cups Lightweight Insulated Foam Cups for Coffee Cold Drinks Other Hot Beverages - Disposable Drinking Cups for Parties Picnic BBQ Travel Events (100 Pack)**StockHomery**$20.71**4.1★80 rev](https://www.amazon.com/dp/B0DZDZ61SV) [2**Wincup H10S Foam Cups 10 oz White 1000 Count**Wincup**$50.95**4.2★11 rev](https://www.amazon.com/dp/B072R61DNH) [3**Dart 10J10 Foam Drink Cups 10oz White 25 per Bag (Case of 40 Bags)**DART**$41.65**4.7★4,813 rev](https://www.amazon.com/dp/B001ACFTOY) [4**Dart 10J10 Foam Drink Cups 10oz White 25 Per Bag (Case of 40 Bags)**DART**$42.19**4.2★76 rev](https://www.amazon.com/dp/B004NG89IM) [5**Mr Miracle 10 oz Styrofoam Cups Disposable Foam Cups (100 Pack) Insulated White Styrofoam Coffee Cups for Hot & Cold Drinks Comparable to Industry Standard 10J10 Foam Cups Made in USA**Mr Miracle**$20.91**4.6★68 rev](https://www.amazon.com/dp/B0GD2NV9GK)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Mr Miracle 10 oz Styrofoam Cups Disposable Foam Cups (100 Pack) Insulated White Styrofoam Coffee Cups for Hot & Cold Drinks Comparable to Industry Standard 10J10 Foam Cups Made in USA**Mr Miracle**$20.91**68 rev6mo ago](https://www.amazon.com/dp/B0GD2NV9GK) [**Mr Miracle 10 oz Styrofoam Cups Disposable Foam Cups (50 Pack) Insulated White Styrofoam Coffee Cups for Hot & Cold Drinks Comparable to Industry Standard 10J10 Foam Cups Made in USA**Mr Miracle**$15.92**68 rev6mo ago](https://www.amazon.com/dp/B0GD2R67LM) [**Kleen 10 oz Insulated Coffee & Beverages White Foam Cups (1000 Cups)**Kleen**$56.58**15 rev1y ago](https://www.amazon.com/dp/B0F8D4WYJF) [**StockHomery 10 Oz Foam Cups Lightweight Insulated Foam Cups for Coffee Cold Drinks Other Hot Beverages - Disposable Drinking Cups for Parties Picnic BBQ Travel Events (100 Pack)**StockHomery**$20.71**80 rev1y ago](https://www.amazon.com/dp/B0DZDZ61SV) [**10OZ Foam Cups With Lids for Hot & Cold Drinks USA-Made 100-Pack - Ideal Styrofoam Coffee Cups Insulating To-Go Cups for Soda Tea Juice - Sturdy Disposable & comparable to Industry standard 10J10**Mr Miracle**$25.18**798 rev2y ago](https://www.amazon.com/dp/B0CXVZV324)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Mr Miracle 10 oz Styrofoam Cups Disposable Foam Cups (100 Pack) Insulated White Styrofoam Coffee Cups for Hot & Cold Drinks Comparable to Industry Standard 10J10 Foam Cups Made in USA**Mr Miracle**$20.91**4.6★**▲ 191%**](https://www.amazon.com/dp/B0GD2NV9GK) [**Mr Miracle 10 oz Styrofoam Cups Disposable Foam Cups (50 Pack) Insulated White Styrofoam Coffee Cups for Hot & Cold Drinks Comparable to Industry Standard 10J10 Foam Cups Made in USA**Mr Miracle**$15.92**4.6★**▲ 189%**](https://www.amazon.com/dp/B0GD2R67LM) [**Wincup H10S Foam Cups 10 oz White 1000 Count**Wincup**$50.95**4.2★**▲ 83%**](https://www.amazon.com/dp/B072R61DNH) [**Kleen 10 oz Insulated Coffee & Beverages White Foam Cups (1000 Cups)**Kleen**$56.58**4.3★**▲ 74%**](https://www.amazon.com/dp/B0F8D4WYJF) [**DCC 10J10 Drink Foam Cups 10oz White 25/Bag 40 Bags/Carton**DCC**$37.30**3.6★**▲ 74%**](https://www.amazon.com/dp/B00Q2X3TMA)
**~~View all trending →~~**
## **What buyers say about 10 oz styrofoam cups**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**23%
*“Great price for multiple small groups and coffee or hot chocolate and tea”*
**Size-Overall**19%
*“The size that I got was perfect”*
**Temperature Retention**15%
*“It handles temperatures hot and cold with ease, and seems built to last, in my opinion”*
**Advertised Vs Actual Product**13%
*“As advertised”*
**Quality-Overall**10%
*“Good product”*
**Strength**6%
*“Very sturdy”*
**Durability**4%
*“seems built to last”*
**Dishwasher Safe**4%
*“easily use for parties or just if youre lazy not to wash dishes”*
### **What buyers complain about **
**Leak-Proof**58%
*“Cups leak”*
**Quality-Overall**25%
*“The quality of these cups is awful”*
**Value For Money**8%
*“over priced”*
### **Top return reasons **
**Size-Overall**70%
**Advertised Vs Actual Product**11%
**Value For Money**7%
**Strength**5%
**Leak-Proof**5%
**Quality-Overall**2%
**Storage Capacity**1%
## **Common questions**
- **Is 10 oz styrofoam cups profitable to sell on Amazon United States?**
- The niche generates $73K/yr across 10 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -0.3%. Flapen's verdict: Worth a look (50/100).
- **How competitive is the 10 oz styrofoam cups niche?**
- 7 brands and 104 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 95% of demand.
- **What do buyers complain about in 10 oz styrofoam cups?**
- Top complaints mined from reviews: Leak-Proof, Quality-Overall, Value For Money. The return rate is 0.3%.
- **When does demand for 10 oz styrofoam cups peak?**
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- **What does it cost to enter the 10 oz styrofoam cups niche?**
- Listings span $15.92–$58.98; the average listing price is $37.04 (sweet spot $15–$100). The average incumbent carries 611 reviews — the moat a new listing must climb.
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