Is 20 oz plastic cups profitable to sell on Amazon United States?

The niche generates $276K/yr across 20 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is +26.3%. Flapen's verdict: Worth a look (62/100).

How competitive is the 20 oz plastic cups niche?

18 brands and 103 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 57% of demand.

What do buyers complain about in 20 oz plastic cups?

Top complaints mined from reviews: Size-Overall, Leak-Proof, Strength. The return rate is 0.5%.

When does demand for 20 oz plastic cups peak?

Demand is steady year-round — the busiest month runs 1.4× the quietest.

What does it cost to enter the 20 oz plastic cups niche?

Listings span $4.80–$70.51; the average listing price is $23.31 (sweet spot $15–$100). The average incumbent carries 2,777 reviews — the moat a new listing must climb.

20 oz plastic cups

Worth a look

Shows low returns (0.5%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Incredible0.5%

return rate — above 5% kills the launch gate

Avg price

Incredible$23.31

avg listing price — sweet spot $15–$100

Price range

Great$4.80–$70.51

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

Conversion

Great8.3%

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

Brand share

Great57%

top-5 brand share — no brand owns this niche

Competition

Good52%

top-5 click share — leaders hold, buyers still browse

Growth

Good+26.3%

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

Market size

Good$276K

$276K/yr · 142K searches

Review moat

Okay2,776.8

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

According to Flapen's Amazon United States niche tracking, 20 oz plastic cups is a $276K/yr Amazon United States market (142K searches/yr). The top 5 brands hold 57% of demand. Verdict: Worth a look — 62/100.

Data updated Jul 13, 2026 · scored weekly · How we score niches

20 oz plastic cups market data

Units sold / yr: 13K–15K; avg 250–500/product
Revenue / yr: $291K–$350K; units × avg price
Conversion rate: 8.3%
Avg BSR: #143
Page quality: 0%
Prime: 90%
Sponsored: 80%
Out of stock: 5.3%
Avg brand age: 38 months
Avg seller age: 152 days

Competition & brand share

The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.

Brands

18 falling

Sellers

103

Top-5 brand share

57%

Top 20: 100%

Top-5 click share

52%

Top 20: 100%

Open market

37%

Freshware24%
Aatriet11%
Amazon Basics9%
Dealusy7%
EconoHome6%
Cappatua6%

Demand & seasonality

Weekly Amazon search volume, last 101 weeks — +26.3% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top 20 oz plastic cups search terms

20 oz plastic cups29K/yr +35.3%7.1% conv.
20 oz cups28K/yr +20.8%5.0% conv.
20oz plastic cups15K/yr +46.7%6.2% conv.
20oz cups14K/yr +34.5%3.6% conv.
plastic cups 20 oz11K/yr +37.6%7.5% conv.
20 oz cup12K/yr +3.2%1.1% conv.
20 oz clear plastic cups6K/yr +23.6%10.1% conv.
20oz cup7K/yr -11.5%0.9% conv.
20 oz disposable cups5K/yr +1.9%3.5% conv.
clear plastic cups 20 oz3K/yr +24.6%7.5% conv.

All search terms

Top 20 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.

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

Freshware Clear Plastic Cups [100 Pack - 20 oz] Disposable Cups for Iced Coffee Smoothie Milkshake Cold Drinks

Freshware$12.484.6★539 rev

Aatriet 100 Pack 20 oz Clear Plastic Cups 20oz Clear Disposable Punch Cups Wine Glasses Sturdy Recylable Drinking Cup for Wedding Party Cocktail Cup Plastic Tumblers for Cold Drinks

Aatriet$18.784.8★1,012 rev

EconoHome Clear PET Plastic Cups 20oz (Pack of 1000) Crystal Clear Durable Disposable Beverage Cups Perfect for Parties Events and Businesses

EconoHome$62.864.3★39 rev

Cappatua 20 oz Clear Plastic Cups with Lids and STRAWS Disposable Drinking Cups for Cold Drinks Iced Coffee Milkshakes Smoothies 25 Sets

Cappatua$12.564.8★4,335 rev

TashiBox plastic cups [20 oz 100cups] Clear Crystal disposable plastic cups smoothie cup

TashiBox$17.134.7★6,255 rev

Newest

by launch date

EconoHome Clear PET Plastic Cups 20oz (Pack of 1000) Crystal Clear Durable Disposable Beverage Cups Perfect for Parties Events and Businesses

EconoHome$62.8639 rev

3mo ago

Clawsoff 100 Pack 20 oz Disposable Clear Plastic Cups with Lids and Straws Leak-Proof Sturdy Cold Drink Cups for Iced Coffee Smoothies Juice Parties & Business

Clawsoff$21.20153 rev

6mo ago

Aatriet 100 Pack 20 oz Clear Plastic Cups 20oz Clear Disposable Punch Cups Wine Glasses Sturdy Recylable Drinking Cup for Wedding Party Cocktail Cup Plastic Tumblers for Cold Drinks

Aatriet$18.781,012 rev

11mo ago

Lamosi 100 Pack 20 oz Clear Plastic Cups with Lids and Straws Disposable Iced Coffee Cups with Lids for To-Go Cold Drinks Smoothies and Slushie

Lamosi$22.331,949 rev

1y ago

AOZITA 100 Pack 20 oz Plastic Cups With Strawless Sip-Lids Iced Coffee Cups With Lid BPA Free Disposable Clear Cup with Lid To Go Cup for Smoothies Party Drinks Bubble Tea Cold Beverage

AOZITA$23.77574 rev

1y ago

What buyers say about 20 oz plastic cups

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

What buyers love

Quality-Overall25%

“Great quality cups”

Strength14%

“Sturdy Cups”

Value For Money10%

“Good Deal”

Size-Overall8%

“Good size”

Durability7%

“the straws are durable”

Advertised Vs Actual Product6%

“Exactly as advertised”

Ease Of Use6%

“Easy to use”

Color6%

“Colors are beautiful”

Leak-Proof4%

“help avoid spills”

Thickness2%

“The lid is thick as well”

What buyers complain about

Size-Overall15%

“Not the right size”

Leak-Proof9%

“easily spilled”

Strength9%

“Not Sturdy at All”

Quality-Overall8%

“very poor quality on the straws”

Thickness6%

“They werent the thickest cups we have ever had”

Durability5%

“Break easily”

Ease Of Use5%

“Not usable AT ALL”

Advertised Vs Actual Product5%

“Not as pictured”

Material Quality4%

“Its made from very cheap material”

Value For Money3%

“Seems a little on the expensive side”

Top return reasons

Size-Overall60%

Value For Money8%

Advertised Vs Actual Product6%

Thin5%

Quality-Overall3%

Strength3%

Material Quality3%

Leak-Proof2%

Color2%

Functionality-Overall1%

Common questions

Is 20 oz plastic cups profitable to sell on Amazon United States?: The niche generates $276K/yr across 20 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is +26.3%. Flapen's verdict: Worth a look (62/100).
How competitive is the 20 oz plastic cups niche?: 18 brands and 103 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 57% of demand.
What do buyers complain about in 20 oz plastic cups?: Top complaints mined from reviews: Size-Overall, Leak-Proof, Strength. The return rate is 0.5%.
When does demand for 20 oz plastic cups peak?: Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the 20 oz plastic cups niche?: Listings span $4.80–$70.51; the average listing price is $23.31 (sweet spot $15–$100). The average incumbent carries 2,777 reviews — the moat a new listing must climb.