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51

kids sublimation tumbler

Worth a look

Shows a sweet-spot price point ($46.47 avg), but soft demand (-3.3% this quarter) keeps it on the watch list.

Market size 29Growth 23Conversion 31Competition 81Returns 79Price range 57Avg price 94Brand share 61Review moat 84Quality gap 24

Avg price

Great$46.47

avg listing price — sweet spot $15–$100

Review moat

Great313.55

avg incumbent reviews — the moat a new listing must climb

Competition

Great34%

top-5 click share — an open shelf

Returns

Great1.8%

return rate — above 6% kills the launch gate

Brand share

Good69%

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

Price range

Good$9.87–$158.57

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

Conversion

Okay2.5%

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

Market size

Okay$125K

$125K/yr · 108K searches

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-3.3%

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

Competition

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

Brands

20 falling

Sellers

26

Top-5 brand share

69%

Open market

26%

  • Joyclub20%
  • XccMe15%
  • Draheri15%
  • Micellwuu10%
  • Gekestory9%
  • AGH5%

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%3%$4K6%$8K9%$11K12%$15K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 47 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -3.3% search growth over the last 90 days.
7K5KPrime Day '24Holiday '24Spike '25Prime Day '25Holiday '25SepDecMarJunAugNovMarMay

Peak months: Jul, Aug · busiest ÷ quietest = 2.4×

Reviews

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

What buyers love

Quality-Overall36%

“The tumblers are very good quality”

Value For Money11%

“Worth the money”

Size-Overall10%

“Perfect size”

Sublimation5%

“Great Sublimation Water Bottle”

Leak-Proof4%

“does not leak”

Advertised Vs Actual Product4%

“They work as expected”

Gifting Purpose3%

“great for gifting”

Color3%

“Colors are as shown”

Ease Of Use3%

“easy to use”

Durability2%

“It is durable”

What buyers complain about

Durability22%

“it broke immediately”

Leak-Proof14%

“Cups leak”

Quality-Overall9%

“Garbage”

Strength8%

“The lids are also too fragile”

Size-Overall5%

“This is huge because my kids break straws all the time”

Heat Resistance4%

“When heat pressing make sure to wait to unwrap because the tumbler comes out really hot”

Functionality-Overall4%

“it wont upload so you can see for yourself that does not work”

Ease Of Cleaning4%

“However, the cap is very hard to maintain clean which discredits it's purpose”

Color4%

“Wrong colors”

Ease Of Use3%

“I prefer not to use them”

Top return reasons

Size-Overall47%
Advertised Vs Actual Product9%
Color8%
Functionality-Overall6%
Value For Money4%
Quality-Overall4%
Defective Material/Parts4%
Handle Quality3%
Thickness2%
Strength1%