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53

adult sippy cups

Worth a look

Shows a sweet-spot price point ($20.74 avg), but soft demand (-19.0% this quarter) keeps it on the watch list.

Market size 43Growth 15Conversion 36Competition 54Returns 61Price range 75Avg price 89Brand share 75Review moat 58Quality gap 82

Avg price

Great$20.74

avg listing price — sweet spot $15–$100

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Brand share

Good60%

top-5 brand share — brands hold most of the demand

Price range

Great$6.72–$39.77

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

Returns

Good2.6%

return rate — above 6% kills the launch gate

Review moat

Good1,164.62

avg incumbent reviews — the moat a new listing must climb

Competition

Good52%

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

Market size

Okay$225K

$225K/yr · 374K searches

Conversion

Okay2.9%

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

Growth

Bad-19.0%

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

Competition

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

Brands

21 falling

Sellers

29

Top-5 brand share

60%

Open market

34%

  • FRAGRANTGARDEN18%
  • VOPHIA15%
  • Providence Spillproof12%
  • LIFE8%
  • Sliner6%
  • AKIMRABY6%

Product shelf

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%5%$11K10%$22K15%$34K20%$45K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 29 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -19.0% search growth over the last 90 days.
20K15KSpike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

Reviews

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

What buyers love

Leak-Proof24%

“Doesnt leak”

Quality-Overall13%

“Excellent product”

Ease Of Use10%

“Easy to use”

Size-Overall7%

“Perfect size”

Advertised Vs Actual Product5%

“Works as stated”

Temperature Retention5%

“Great insulation”

Ease Of Cleaning5%

“disassemble to clean”

Durability4%

“These are durable”

Efficiency3%

“this cup worked great”

Strength2%

“it seems sturdy”

What buyers complain about

Leak-Proof23%

“it is not leakproof in the lid”

Size-Overall18%

“So tiny”

Quality-Overall8%

“Absolutely low quality”

Ease Of Use5%

“not very useful”

Value For Money5%

“overpriced”

Advertised Vs Actual Product3%

“not entirely as it is described”

Material Quality2%

“Cheap plastic”

Instructions/User Manual/Troubleshooting2%

“No English instructions”

Thickness2%

“It is very thin only wanted for drink”

Functionality-Overall2%

“these things just don't work”

Top return reasons

Size-Overall34%
Leak-Proof18%
Advertised Vs Actual Product7%
Ease Of Use6%
Functionality-Overall5%
Color5%
Value For Money3%
Quality-Overall3%
Handle Quality2%
Weight Heavy1%