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Kuromi Water Bottle

Skip it

A small market ($47K/yr) — this niche doesn't clear our bar today.

Market size 12Growth 45Conversion 18Competition 35Returns 73Price range 86Avg price 94Brand share 38Review moat 60Quality gap 43

Avg price

Great$22.56

avg listing price — sweet spot $15–$100

Price range

Great$10.76–$46.90

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

Returns

Good2.1%

return rate — above 5% kills the launch gate

Review moat

Good1,105.76

avg incumbent reviews — the moat a new listing must climb

Growth

Okay+15.7%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Brand share

Okay82%

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

Competition

Okay64%

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

Conversion

Bad1.4%

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

Market size

Bad$47K

$47K/yr · 149K searches

Is kuromi water bottle profitable on Amazon?

According to Flapen's Amazon United States niche tracking, kuromi water bottle is a $47K/yr Amazon United States market (149K searches/yr). The top 5 brands hold 82% of demand. Demand peaks in Jul–Aug–Sep–Dec. Verdict: Skip it — 43/100.

Data updated Jul 26, 2026 · scored weekly · How we score niches

kuromi water bottle market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.
Units sold / yr
3K–3K
avg 0–100/product
Revenue / yr
$56K–$68K
units × avg price
Conversion rate
1.4%
Avg BSR
#1,389
Page quality
0%
Prime
90%
Sponsored
62%
Out of stock
31.1%
Avg brand age
25 months
Avg seller age
143 days

Competition: brands, sellers & click share

The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.

Brands

12 falling

Sellers

21

Top-5 brand share

82%

Top 20: 100%

Top-5 click share

64%

Top 20: 99%

Open market

13%

  • Get Trend27%
  • Silver Buffalo27%
  • Woskailly14%
  • Skater9%
  • Clwalny5%
  • AI ACCESSORY INNOVATIONS5%
  • Open — no brand owns it (6 brands, 13%)

kuromi water bottle demand & seasonality

Weekly Amazon search volume, last 104 weeks — +15.7% search growth over the last 90 days.
18K13KHoliday '24Prime Day '25Spike '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jul, Aug, Sep, Dec · busiest ÷ quietest = 4.9×

Top kuromi water bottle search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.
  • cinnamoroll water bottle76K/yr
  • cinnamon roll water bottle19K/yr
  • cinnamoroll cup22K/yr
  • cinnamoroll tumbler10K/yr
  • cinnamoroll water bottles for girls6K/yr
  • cinnamon roll water bottles for girls5K/yr
  • cinnamon roll cup5K/yr
  • cinnamoroll bottle3K/yr
  • cinnamoroll cups3K/yr
All search terms

Top kuromi water bottle products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

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

0%10%$5K20%$9K30%$14K40%$19K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 21 tracked products in this niche — three views at once, no toggling.

What reviews say buyers love and hate about kuromi water bottle

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

What buyers love

Size-Overall12%

“The size is decent too”

Leak-Proof12%

“Doesn't leak”

Advertised Vs Actual Product12%

“Does what it needs to do”

Durability8%

“Cute, and durable”

Ease Of Cleaning8%

“Easy to clean”

Temperature Retention8%

“Holds water cold for long time”

Design-Overall6%

“Cute Cinnamoroll design”

Quality-Overall6%

“Good quality”

Color5%

“Super cute and pretty colors”

Gifting Purpose4%

“Gift”

What buyers complain about

Durability27%

“Breaks very easily”

Leak-Proof17%

“Leaks”

Quality-Overall12%

“Cheap product”

Value For Money9%

“This product is kind of cheap for the price”

Product Condition7%

“Used product”

Material Quality4%

“The quality of the lid material is very poor and fragile”

Temperature Control4%

“does not keep cold”

Rusts/Corrodes4%

“the bottle has begun to rust”

Heating2%

“Does not keep liquid cold for longer than maybe an hour or 2 when its filled to the brim with ice”

Temperature Retention2%

“Doesnt keep cold”

Top return reasons

Size-Overall21%
Leak-Proof15%
Material Quality9%
Quality-Overall7%
Value For Money7%
Advertised Vs Actual Product6%
Functionality-Overall5%
Product Condition4%
Durability3%
Mechanism Issues2%

Common kuromi water bottle questions

Is kuromi water bottle profitable to sell on Amazon United States?
The niche generates $47K/yr across 21 tracked products. 2 of 6 products launched in the last 360 days are still selling. 90-day search growth is +15.7%. Flapen's verdict: Skip it (43/100).
How competitive is the kuromi water bottle niche?
12 brands and 21 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 82% of demand.
What do buyers complain about in kuromi water bottle?
Top complaints mined from reviews: Durability, Leak-Proof, Quality-Overall. The return rate is 2.1%.
When does demand for kuromi water bottle peak?
Demand peaks in Jul–Aug–Sep–Dec; the busiest month runs 4.9× the quietest.
What does it cost to enter the kuromi water bottle niche?
Listings span $10.76–$46.90; the average listing price is $22.56 (sweet spot $15–$100). The average incumbent carries 1,106 reviews — the moat a new listing must climb.