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70

5 oz plastic cups

Worth a look

Shows low returns (0.8%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 63Growth 51Conversion 85Competition 81Returns 96Price range 82Avg price 95Brand share 88Review moat 48Quality gap 24

Returns

Incredible0.8%

return rate — above 5% kills the launch gate

Avg price

Incredible$23.07

avg listing price — sweet spot $15–$100

Brand share

Great47%

top-5 brand share — no brand owns this niche

Conversion

Great9.5%

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

Price range

Great$4.12–$72.32

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

Competition

Great34%

top-5 click share — an open shelf

Market size

Good$566K

$566K/yr · 259K searches

Growth

Good+21.9%

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

Review moat

Okay1,660.08

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

According to Flapen's Amazon United States niche tracking, 5 oz plastic cups is a $566K/yr Amazon United States market (259K searches/yr). The top 5 brands hold 47% of demand. Demand peaks in Aug–Sep. Verdict: Worth a look — 70/100.

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

5 oz plastic cups market data

Units sold / yr
30K–40K
avg 750–1,000/product
Revenue / yr
$692K–$923K
units × avg price
Conversion rate
9.5%
Avg BSR
#410
Page quality
0%
Prime
96%
Sponsored
92%
Out of stock
0.7%
Avg brand age
46 months
Avg seller age
143 days

Competition & brand share

Clicks spread well past the top 5 (34% combined) — an open shelf where new products get seen.

Brands

31 rising

Sellers

72

Top-5 brand share

47%

Top 20: 91%

Top-5 click share

34%

Top 20: 70%

Open market

47%

  • BYSNOW14%
  • Clawsoff9%
  • Dealmed8%
  • JOLLY CHEF8%
  • Turbo Bee7%
  • SIUQ6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +21.9% search growth over the last 90 days.
15K10KSpike '24Spike '25SepDecMarJunAugNovMarMay

Peak months: Aug, Sep · busiest ÷ quietest = 3.0×

Top 5 oz plastic cups search terms

  • 5 oz plastic cups62K/yr
  • 5 oz cups44K/yr
  • 5oz plastic cups39K/yr
  • 5oz cups27K/yr
  • small plastic cups 5 oz10K/yr
  • 5 ounce plastic cups9K/yr
  • 5 oz clear plastic cups7K/yr
  • 5 oz disposable cups8K/yr
  • plastic cups 5 oz6K/yr
  • 5 ounce cups6K/yr
All search terms

Top 5 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%4%$23K8%$45K12%$68K16%$91K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about 5 oz plastic cups

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

What buyers love

Size-Overall20%

“Love the size”

Value For Money15%

“Great Value”

Quality-Overall15%

“Good Quality”

Advertised Vs Actual Product11%

“Just as shown”

Strength8%

“Sturdy cops, and very convenient being clear”

Ease Of Use5%

“Easy to use”

Durability4%

“more durable than other ones I have ordered”

Leak-Proof2%

“do not leak”

Color2%

“Coloration was nice”

Baking2%

“The cups are sturdy, clear, and just the right size for desserts like parfaits, pudding, fruit, or mini cheesecakes”

What buyers complain about

Size-Overall30%

“Won't fit”

Strength10%

“Made a very flimsy material”

Dispensing Mechanism9%

“Do not fit in standard dispense”

Ease Of Use7%

“Difficult to work with”

Adhesion/Stickiness5%

“Sticky”

Quality-Overall4%

“Very cheaply made”

Leak-Proof4%

“leak more easily”

Shape/Style3%

“Poor Shape”

Value For Money2%

“Price is high”

Advertised Vs Actual Product2%

“False Advertisment”

Top return reasons

Size-Overall79%
Advertised Vs Actual Product6%
Value For Money5%
Quality-Overall3%
Thin2%
Strength2%
Material Quality1%
Shape/Style0%
Leak-Proof0%
Functionality-Overall0%

Common questions

Is 5 oz plastic cups profitable to sell on Amazon United States?
The niche generates $566K/yr across 51 tracked products. 8 of 11 products launched in the last 360 days are still selling. 90-day search growth is +21.9%. Flapen's verdict: Worth a look (70/100).
How competitive is the 5 oz plastic cups niche?
31 brands and 72 sellers compete. The top 5 products take 34% of clicks and top 5 brands hold 47% of demand.
What do buyers complain about in 5 oz plastic cups?
Top complaints mined from reviews: Size-Overall, Strength, Dispensing Mechanism. The return rate is 0.8%.
When does demand for 5 oz plastic cups peak?
Demand peaks in Aug–Sep; the busiest month runs 3.0× the quietest.
What does it cost to enter the 5 oz plastic cups niche?
Listings span $4.12–$72.32; the average listing price is $23.07 (sweet spot $15–$100). The average incumbent carries 1,660 reviews — the moat a new listing must climb.