---
title: "8 Oz Plastic Cups — $126K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/8-oz-plastic-cups"
last_updated: "2026-08-09T10:55:30.799Z"
locale: en
meta:
description: "Niche score 55/100 · $126K/yr market · 70K searches/yr · $16.51 avg price. Strong incumbent ratings (4.7★) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 55/100 · $126K/yr market · 70K searches/yr · $16.51 avg price. Strong incumbent ratings (4.7★) keeps it on the watch list. Data updated Jul 2026."
"og:title": "8 Oz Plastic Cups — $126K/yr Amazon US Niche (2026) - Flapen"
---
# **8 oz plastic cups**
**Worth a look**
Shows low returns (1.0%), but strong incumbent ratings (4.7★) keeps it on the watch list.
Market size 29Growth 55Conversion 90Competition 36Returns 95Price range 76Avg price 79Brand share 62Review moat 43Quality gap 22
**Returns**
**Incredible****1.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****10.8%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$16.51**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$4.72–$48.65**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Good****68%**
top-5 brand share — brands hold most of the demand
**Growth**
**Good****+28.7%**
90-day search growth — must beat 0% to launch
**Review moat**
**Okay****2,152.65**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Okay****63%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Okay****$126K**
$126K/yr · 70K searches
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, 8 oz plastic cups is a $126K/yr Amazon United States market (70K searches/yr). The top 5 brands hold 68% of demand. Demand peaks in Jun. Verdict: Worth a look — 55/100.
Data updated Jul 13, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **8 oz plastic cups market data**
- **Units sold / yr**
- **8K–10K**
- avg 250–500/product
- **Revenue / yr**
- **$132K–$165K**
- units × avg price
- **Conversion rate**
- **10.8%**
- **Avg BSR**
- **#232**
- **Page quality**
- **0%**
- **Prime**
- **95%**
- **Sponsored**
- **90%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **50 months**
- **Avg seller age**
- **175 days**
## **Competition & brand share**
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**17 **▼falling
**Sellers**
**52**
**Top-5 brand share**
**68%**
Top 20: 100%
**Top-5 click share**
**63%**
Top 20: 100%
**Open market**
**28%**
- Amazon Basics35% - BZOM16% - Dealusy7% - Lamosi5% - Turbo Bee5% - Karat5%
## **Demand & seasonality**
Weekly Amazon search volume, last 98 weeks — +28.7% search growth over the last 90 days.
2K1KBlack Friday '25Spike '26 seasonDecMarJunAugNovMarMay
Peak months: Jun · busiest ÷ quietest = 1.7×
[**Open Trend **](https://flapen.com/research/us/health-household/8-oz-plastic-cups/trend)
## **Top 8 oz plastic cups search terms**
- **8 oz plastic cups**37K/yr+21.7%7.5% conv. - **8oz plastic cups**22K/yr+43.0%7.2% conv. - **8 ounce plastic cups**6K/yr+31.6%8.1% conv. - **plastic 8 oz cups**3K/yr+34.5%7.1% conv. - **8 oz cups plastic**3K/yr+5.4%7.0% conv. [**All search terms **](https://flapen.com/research/us/health-household/8-oz-plastic-cups/search-terms)
## **Top 8 oz plastic 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%$13K20%$25K30%$38K40%$50K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 20 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Amazon Basics Small Disposable Clear Plastic Cups 9oz 100 Count**Amazon Basics**$4.72**4.7★6,269 rev](https://www.amazon.com/dp/B0D6SJWPHL) [2**BZOM Clear Plastic Party Cups - 100 Pack 8 Oz Each**BZOM**$9.74**4.5★200 rev](https://www.amazon.com/dp/B0D72RR29G) [3**Dealusy 100 Pack 9 oz Clear Plastic Cups Sturdy & Food Safe Disposable Plastic Cups for Wine Cocktail Punch**Dealusy**$13.34**4.8★942 rev](https://www.amazon.com/dp/B0CZDW6MGP) [4![Karat [1000 ct] 8oz Plastic Cups Clear Disposable Cold Cup for Iced Coffee Soda and Juice | 78mm (C-KC8)](https://m.media-amazon.com/images/I/41RRIJprraL.jpg)**Karat \[1000 ct\] 8oz Plastic Cups Clear Disposable Cold Cup for Iced Coffee Soda and Juice | 78mm (C-KC8)**Karat**$48.65**4.6★863 rev](https://www.amazon.com/dp/B07GSKVC1W) [5**MASTERCOOK 6 Pcs. Small Reusable Cups 8 oz Unbreakable Drinking Glasses -Toddler Cups for Water Juice MilkBPA Free Stackable Tumblers Plastic Cup set for Kitchen Picnics Parties- Kid-Friendly**MASTERCOOK**$7.29**4.6★231 rev](https://www.amazon.com/dp/B0FLKPKP51)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Lamosi 500 Pack 7 oz Plastic Cups Disposable Plastic Clear Cups Cold Drinking Water cups for Party Wedding Travel BBQ Picnic Event**Lamosi**$20.67**168 rev8mo ago](https://www.amazon.com/dp/B0G1M2KHSC) [**MASTERCOOK 6 Pcs. Small Reusable Cups 8 oz Unbreakable Drinking Glasses -Toddler Cups for Water Juice MilkBPA Free Stackable Tumblers Plastic Cup set for Kitchen Picnics Parties- Kid-Friendly**MASTERCOOK**$7.29**231 rev11mo ago](https://www.amazon.com/dp/B0FLKPKP51) [**Glowserve 9 oz Clear Plastic Cups Green Plastic Disposable Cups**Glowserve**$9.62**581 rev1y ago](https://www.amazon.com/dp/B0F7JY4SCM) [**Amazon Basics Small Disposable Clear Plastic Cups 9oz 100 Count**Amazon Basics**$4.72**6,269 rev1y ago](https://www.amazon.com/dp/B0D6SJWPHL) [**Amazon Basics Small Disposable Red Plastic Party Cups BPA-Free 9oz 50 Count**Amazon Basics**$4.84**5,340 rev1y ago](https://www.amazon.com/dp/B0D6SN4344)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Lamosi 500 Pack 7 oz Plastic Cups Disposable Plastic Clear Cups Cold Drinking Water cups for Party Wedding Travel BBQ Picnic Event**Lamosi**$20.67**4.7★**▲ 150%**](https://www.amazon.com/dp/B0G1M2KHSC) [**Eupako 8 oz Plastic Cups with Lids 100 Sets Disposable Clear Cups with Lids Cold Drink Containers for Beverage Parfait Smoothie**Eupako**$16.86**4.7★**▲ 143%**](https://www.amazon.com/dp/B07RP6BW9H) [**Glowserve 9 oz Clear Plastic Cups Green Plastic Disposable Cups**Glowserve**$9.62**4.6★**▲ 121%**](https://www.amazon.com/dp/B0F7JY4SCM) [**Lamosi 100 Pack 9 oz Clear Plastic Cups Disposable Cups Wine Cocktail Punch Sturdy & Food Safe Plastic Cup for Party & Wedding**Lamosi**$12.01**4.7★**▲ 51%**](https://www.amazon.com/dp/B0D1TJJC2T) [**MASTERCOOK 6 Pcs. Small Reusable Cups 8 oz Unbreakable Drinking Glasses -Toddler Cups for Water Juice MilkBPA Free Stackable Tumblers Plastic Cup set for Kitchen Picnics Parties- Kid-Friendly**MASTERCOOK**$7.29**4.6★**▲ 33%**](https://www.amazon.com/dp/B0FLKPKP51)
**~~View all trending →~~**
## **What buyers say about 8 oz plastic cups**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**20%
*“Good quality cups”*
**Size-Overall**18%
*“Good size”*
**Value For Money**16%
*“Great Value”*
**Strength**8%
*“Nice Strong Cups”*
**Advertised Vs Actual Product**7%
*“Just as pictured and described”*
**Color**5%
*“The colors are pretty”*
**Durability**5%
*“they are durable”*
**Ease Of Use**5%
*“Good for everyday use”*
**Thickness**3%
*“The wall thickness of these cups is ample and they are a good weight and quality”*
**Dishwasher Safe**2%
*“Dishwasher safe”*
### **What buyers complain about **
**Size-Overall**26%
*“Too small”*
**Strength**15%
*“Flimsy”*
**Quality-Overall**7%
*“Cheaper made”*
**Thickness**6%
*“Wish they were thicker”*
**Material Quality**5%
*“cheap cheap material”*
**Ease Of Use**5%
*“Barely usable”*
**Adhesion/Stickiness**2%
*“lack of structure and adhesive”*
**Sharpness**1%
*“Barely usable sharp edges on the lip that I filed smooth”*
**Dishwasher Safe**1%
*“they are NOT dishwasher safe”*
**Color**1%
*“Wish you could pick your own specific colors”*
### **Top return reasons **
**Size-Overall**67%
**Value For Money**9%
**Strength**5%
**Thin**4%
**Quality-Overall**4%
**Advertised Vs Actual Product**3%
**Material Quality**3%
**Color**2%
**Thickness**1%
**Shape/Style**1%
## **Common questions**
- **Is 8 oz plastic cups profitable to sell on Amazon United States?**
- The niche generates $126K/yr across 20 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +28.7%. Flapen's verdict: Worth a look (55/100).
- **How competitive is the 8 oz plastic cups niche?**
- 17 brands and 52 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 68% of demand.
- **What do buyers complain about in 8 oz plastic cups?**
- Top complaints mined from reviews: Size-Overall, Strength, Quality-Overall. The return rate is 1.0%.
- **When does demand for 8 oz plastic cups peak?**
- Demand peaks in Jun; the busiest month runs 1.7× the quietest.
- **What does it cost to enter the 8 oz plastic cups niche?**
- Listings span $4.72–$48.65; the average listing price is $16.51 (sweet spot $15–$100). The average incumbent carries 2,153 reviews — the moat a new listing must climb.
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