8 oz plastic cups
Worth a lookShows low returns (1.0%), but strong incumbent ratings (4.7★) keeps it on the watch list.
Returns
Incredible1.0%return rate — above 5% kills the launch gate
Conversion
Great10.8%search→purchase rate — share of searches ending in a sale
Avg price
Great$16.51avg listing price — sweet spot $15–$100
Price range
Great$4.72–$48.65cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good68%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
Okay2,152.65avg incumbent reviews — the moat a new listing must climb
Competition
Okay63%top-5 click share — leaders hold, buyers still browse
Market size
Okay$126K$126K/yr · 70K searches
Quality gap
Bad4.7★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
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.Peak months: Jun · busiest ÷ quietest = 1.7×
Top 8 oz plastic cups search terms
- 8 oz plastic cups37K/yr
- 8oz plastic cups22K/yr
- 8 ounce plastic cups6K/yr
- plastic 8 oz cups3K/yr
- 8 oz cups plastic3K/yr
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.
All 20 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Amazon Basics Small Disposable Clear Plastic Cups 9oz 100 Count
Amazon Basics$4.724.7★6,269 rev
BZOM Clear Plastic Party Cups - 100 Pack 8 Oz Each
BZOM$9.744.5★200 rev
Dealusy 100 Pack 9 oz Clear Plastic Cups Sturdy & Food Safe Disposable Plastic Cups for Wine Cocktail Punch
Dealusy$13.344.8★942 rev
![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$48.654.6★863 rev
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$7.294.6★231 rev
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$20.67168 rev
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$7.29231 rev
Glowserve 9 oz Clear Plastic Cups Green Plastic Disposable Cups
Glowserve$9.62581 rev
Amazon Basics Small Disposable Clear Plastic Cups 9oz 100 Count
Amazon Basics$4.726,269 rev
Amazon Basics Small Disposable Red Plastic Party Cups BPA-Free 9oz 50 Count
Amazon Basics$4.845,340 rev
Trending
90-day click momentumLamosi 500 Pack 7 oz Plastic Cups Disposable Plastic Clear Cups Cold Drinking Water cups for Party Wedding Travel BBQ Picnic Event
Lamosi$20.674.7★
Eupako 8 oz Plastic Cups with Lids 100 Sets Disposable Clear Cups with Lids Cold Drink Containers for Beverage Parfait Smoothie
Eupako$16.864.7★
Glowserve 9 oz Clear Plastic Cups Green Plastic Disposable Cups
Glowserve$9.624.6★
Lamosi 100 Pack 9 oz Clear Plastic Cups Disposable Cups Wine Cocktail Punch Sturdy & Food Safe Plastic Cup for Party & Wedding
Lamosi$12.014.7★
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$7.294.6★
What buyers say about 8 oz plastic cups
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality cups”
“Good size”
“Great Value”
“Nice Strong Cups”
“Just as pictured and described”
“The colors are pretty”
“they are durable”
“Good for everyday use”
“The wall thickness of these cups is ample and they are a good weight and quality”
“Dishwasher safe”
What buyers complain about
“Too small”
“Flimsy”
“Cheaper made”
“Wish they were thicker”
“cheap cheap material”
“Barely usable”
“lack of structure and adhesive”
“Barely usable sharp edges on the lip that I filed smooth”
“they are NOT dishwasher safe”
“Wish you could pick your own specific colors”
Top return reasons
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.