kuromi lunch box
Worth a lookShows a sweet-spot price point ($22.87 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Avg price
Incredible$22.87avg listing price — sweet spot $15–$100
Price range
Great$13.34–$43.72cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great213.94avg incumbent reviews — the moat a new listing must climb
Competition
Great38%top-5 click share — an open shelf
Growth
Good+58.1%90-day search growth — must beat 0% to launch
Returns
Good2.5%return rate — above 5% kills the launch gate
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Okay84%top-5 brand share — brands hold most of the demand
Conversion
Okay2.4%search→purchase rate — share of searches ending in a sale
Market size
Bad$77K$77K/yr · 137K searches
According to Flapen's Amazon United States niche tracking, kuromi lunch box is a $77K/yr Amazon United States market (137K searches/yr). The top 5 brands hold 84% of demand. Demand peaks in Jul–Aug. Verdict: Worth a look — 56/100.
Data updated Aug 2, 2026 · scored weekly · How we score niches
kuromi lunch box market data
- Units sold / yr
- 2K–3K
- avg 0–100/product
- Revenue / yr
- $46K–$57K
- units × avg price
- Conversion rate
- 2.4%
- Avg BSR
- #1,006
- Page quality
- 0%
- Prime
- 74%
- Sponsored
- 74%
- Out of stock
- 27.8%
- Avg brand age
- 29 months
- Avg seller age
- 152 days
Competition & brand share
Clicks spread well past the top 5 (38% combined) — an open shelf where new products get seen.Brands
11 falling
Sellers
30
Top-5 brand share
84%
Top 20: 100%
Top-5 click share
38%
Top 20: 85%
Open market
10%
- Get Trend36%
- AI ACCESSORY INNOVATIONS18%
- Roffatide16%
- hombäde9%
- SANRIO6%
- Fast Forward6%
- Open — no brand owns it (5 brands, 10%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +58.1% search growth over the last 90 days.Peak months: Jul, Aug · busiest ÷ quietest = 7.9×
Top kuromi lunch box search terms
- kuromi lunch bag51K/yr
- kuromi lunch box64K/yr
- kuromi lunchbox11K/yr
- kuromi bento box8K/yr
- kuromi lunch box for girls3K/yr
Top kuromi lunch box 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Get Trend Hello Kitty Kuromi Kids Reusable Insulated Lunch Bag Lightweight Cooler Bag Dual Compartment with Handle Fits Kids Lunch Box for School Picnic Kawaii Gifts for Girls (Multi Kuromi)
Get Trend$23.384.6★401 rev
AI ACCESSORY INNOVATIONS Sanrios Kuromi 4 Piece Backpack Set Hello Kitty Kawaii Flip Sequin Girls School Bag with Front Zip Pocket 2 Side Mesh Pockets Black & Purple
AI ACCESSORY INNOVATIONS$43.724.5★2,898 rev
Get Trend Sanrio Kuromi Girls Insulated Lunch Tote Bag
Get Trend$22.954.7★10 rev
Roffatide Cartoon Cute Kuromi Printed All-in-One Bento Boxes with Spoon Fork Kawaii 4-Point Lock Type Lunch Box Containers for Food Fruit Snack Kurom(spoon+fork) LYS25003
Roffatide$29.084.2★83 rev
hombde Bento Lunch Box Container Set with 3 Compartments Portable Personal Sealed Plastic Utensils Food Container Cute Kawaii Anime Kitty Bunny Dog (Purpleromi)
hombäde$24.294.5★119 rev
Newest
by launch date
Get Trend Sanrio Kuromi Girls 3D Insulated Lunch Bag for School Picnic
Get Trend$22.185 rev
Get Trend Sanrio Kuromi Girls Insulated Lunch Tote Bag
Get Trend$22.9510 rev
Fast Forward Kids Insulated Lunch Bag with Handle Hello Kitty Kuromi Rectangle Lunch Bag Design Reusable Soft Cooler Lunch Box for Boys & Girls School Daycare & Travel
Fast Forward$16.850 rev
Get Trend Kuromi Girls Lunch Bag Bento Box & Water Bottle 3 Piece Set
Get Trend$27.1610 rev
Get Trend Sanrio Kuromi Girls Insulated Lunch Bag for School Picnic
Get Trend$21.9513 rev
Trending
90-day click momentumGet Trend Sanrio Kuromi Girls 3D Insulated Lunch Bag for School Picnic
Get Trend$22.184.6★
Get Trend Sanrio Kuromi Girls Insulated Lunch Bag for School Picnic
Get Trend$21.954.8★
Get Trend Sanrio Kuromi Girls Insulated Lunch Tote Bag
Get Trend$22.954.7★
Fast Forward Kids Insulated Lunch Bag with Handle Hello Kitty Kuromi Rectangle Lunch Bag Design Reusable Soft Cooler Lunch Box for Boys & Girls School Daycare & Travel
Fast Forward$16.850.0★
Get Trend Kuromi Girls Lunch Bag Bento Box & Water Bottle 3 Piece Set
Get Trend$27.164.6★
What buyers say about kuromi lunch box
What buyers praise and complain about, mined from review topics.What buyers love
“Great quality”
“Perfect size”
“the design is also so cute def recommend”
“Durable”
“It keeps things nice”
“The pink and black design is fun without being over the top, and the characters give it that nostalgic Sanrio charm”
“and its very easy to use and clean”
“Good value for what you get”
“It is easy to use when it is actually working”
“Solid product”
What buyers complain about
“even bigger”
“The inside looks like a kid colored it”
“One of the clips for the cross body strap doesnt open”
“The bag looked used”
“it takes a while to get any smell out of it if something spilled”
“leaks often”
“didn't last one school year”
“Only concern is my daughter says the thermos doesnt keep food hot or warm. yes”
“Not ideal for school lunches”
“there is no way I would give this to a child”
Top return reasons
Common questions
- Is kuromi lunch box profitable to sell on Amazon United States?
- The niche generates $77K/yr across 31 tracked products. 0 of 13 products launched in the last 360 days are still selling. 90-day search growth is +58.1%. Flapen's verdict: Worth a look (56/100).
- How competitive is the kuromi lunch box niche?
- 11 brands and 30 sellers compete. The top 5 products take 38% of clicks and top 5 brands hold 84% of demand.
- What do buyers complain about in kuromi lunch box?
- Top complaints mined from reviews: Size-Overall, Color, Strap/String Quality. The return rate is 2.5%.
- When does demand for kuromi lunch box peak?
- Demand peaks in Jul–Aug; the busiest month runs 7.9× the quietest.
- What does it cost to enter the kuromi lunch box niche?
- Listings span $13.34–$43.72; the average listing price is $22.87 (sweet spot $15–$100). The average incumbent carries 214 reviews — the moat a new listing must climb.