lunch box with thermos
Worth a lookShows a fragmented shelf (top 5 take 15% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Competition
Incredible15%top-5 click share — an open shelf
Avg price
Great$22.69avg listing price — sweet spot $15–$100
Brand share
Great43%top-5 brand share — no brand owns this niche
Price range
Great$6.51–$50.47cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+28.7%90-day search growth — must beat 0% to launch
Market size
Okay$247K$247K/yr · 844K searches
Returns
Okay3.9%return rate — above 5% kills the launch gate
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Review moat
Bad8,593.76avg incumbent reviews — the moat a new listing must climb
Conversion
Bad1.3%search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United States niche tracking, lunch box with thermos is a $247K/yr Amazon United States market (844K searches/yr). The top 5 brands hold 43% of demand. Demand peaks in Aug–Sep. Verdict: Worth a look — 57/100.
Data updated Aug 2, 2026 · scored weekly · How we score niches
lunch box with thermos market data
- Units sold / yr
- 13K–15K
- avg 0–100/product
- Revenue / yr
- $284K–$340K
- units × avg price
- Conversion rate
- 1.3%
- Avg BSR
- #113
- Page quality
- 0%
- Prime
- 99%
- Sponsored
- 95%
- Out of stock
- 4.1%
- Avg brand age
- 34 months
- Avg seller age
- 137 days
Competition & brand share
Clicks spread well past the top 5 (15% combined) — an open shelf where new products get seen.Brands
73 rising
Sellers
119
Top-5 brand share
43%
Top 20: 77%
Top-5 click share
15%
Top 20: 38%
Open market
53%
- Bentgo22%
- Omie7%
- FlowFly6%
- Simple Modern5%
- wiwens4%
- mibasies3%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +28.7% search growth over the last 90 days.Peak months: Aug, Sep · busiest ÷ quietest = 5.4×
Top lunch box with thermos search terms
- toddler lunch bag104K/yr
- lunch box with thermos118K/yr
- kids lunch box with thermos92K/yr
- bentgo kids54K/yr
- baby lunch box43K/yr
- baby lunch box for daycare43K/yr
- toddler lunchbox29K/yr
- lunch box kids girl40K/yr
- toddler girl lunch box28K/yr
- kids insulated lunch bag24K/yr
Top lunch box with thermos 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
CaCTOUR Lunch Box Kids Premium Insulated Lunchbox for Girls Boys Soft Mini Cooler Bag Back to School Thermal Reusable Lunch Bag for Work School Picnic (Blue)
CaCTOUR$10.684.7★1,384 rev

Omie OmieBox Kids Insulated Leakproof Bento Lunch Box with Food Jar (Blue Sky)
Omie$47.784.5★41,793 rev

mibasies Kids Lunch Box for Girls Insulated and Reusable Lunch Bag for School Preschool Kindergarten Flower Pink
mibasies$13.684.8★2,416 rev

wiwens Bento Lunch Box for Kids with 12oz Soup Thermo Leak-Proof Lunch Food Container with 5 Compartment Thermo Hot Food Jar and Insulated Lunch Bag for Kid Toddler Girls Boys to School
wiwens$29.944.6★1,761 rev

FlowFly Kids Lunch box Insulated Soft Bag Mini Cooler Back to School Thermal Meal Tote Kit for Girls Boys Unicorn
FlowFly$10.014.6★11,290 rev
Newest
by launch date
Genteen Kids Lunch Box Insulated Lunch Bag for Kids Toddler Girl and Boy; Holds Lunch Box Water Bottle & Snacks; Easy-Clean Water-Resistant Fabric & Multiple Zippered Pockets (Yellow Blue)
Genteen$9.35107 rev
![Norxely Bento Box for Kids with Thermos [Large Capacity] Insulated Lunch Box Kids with 4 Compartment for Ages 3+ Drop-Proof & Dishwasher Safe Lunchbox Container Green](https://m.media-amazon.com/images/I/41D37eVcOEL.jpg)
Norxely Bento Box for Kids with Thermos [Large Capacity] Insulated Lunch Box Kids with 4 Compartment for Ages 3+ Drop-Proof & Dishwasher Safe Lunchbox Container Green
Norxely$18.835 rev

FAJSL Game Bento Box for Kids Lunch Box with Thermo(9oz Food Jar) Folding Spoon Removable Divider & Sauce Cup Lunch Box Kids for School Travel BPA-Free & Realistic Shape(Blue-Red)
FAJSL$29.08290 rev

Aimsnk Lunch Box Kids with Thermo Insulated Lunch Bag for School Purple
Aimsnk$31.77304 rev

Itzy Ritzy Toddler Lunch Box - Kids Lunch Bag is Insulated and Includes Water Bottle Holder Plus 2 Pockets - Durable Easy to Clean Toddler Bag (Farm)
Itzy Ritzy$17.5499 rev
Trending
90-day click momentum
Bentgo Chill Kids 4-Compartment Bento Box Leakproof Lunch Box
Bentgo$30.464.6★
![Norxely Bento Box for Kids with Thermos [Large Capacity] Insulated Lunch Box Kids with 4 Compartment for Ages 3+ Drop-Proof & Dishwasher Safe Lunchbox Container Green](https://m.media-amazon.com/images/I/41D37eVcOEL.jpg)
Norxely Bento Box for Kids with Thermos [Large Capacity] Insulated Lunch Box Kids with 4 Compartment for Ages 3+ Drop-Proof & Dishwasher Safe Lunchbox Container Green
Norxely$18.835.0★

mibasies Kids Lunch Box for Girls Insulated and Reusable Lunch Bag for School Preschool Kindergarten Flower Pink
mibasies$13.684.8★

Genteen Kids Lunch Box Insulated Lunch Bag for Kids Toddler Girl and Boy; Holds Lunch Box Water Bottle & Snacks; Easy-Clean Water-Resistant Fabric & Multiple Zippered Pockets (Yellow Blue)
Genteen$9.354.6★

Omie OmieBox Kids Insulated Leakproof Bento Lunch Box with Food Jar (Pink Berry)
Omie$47.914.5★
What buyers say about lunch box with thermos
What buyers praise and complain about, mined from review topics.What buyers love
“Perfect size for travel”
“Nice quality containers”
“Great Deal”
“holds a good amount of food”
“durable material”
“easy to hold”
“Gets the Job Done”
“it cleans up nicely”
“Leak proof”
“The containers are surprisingly sturdy”
What buyers complain about
“Much smaller”
“Breaks easily”
“low build quality”
“It leaks”
“wish it wasn't so expensive”
“Not sturdy”
“Does not keep food hot/warm”
“Strong chemical smell”
“didn't really keep the heat in”
“Hard to clean”
Top return reasons
Common questions
- Is lunch box with thermos profitable to sell on Amazon United States?
- The niche generates $247K/yr across 172 tracked products. 8 of 21 products launched in the last 360 days are still selling. 90-day search growth is +28.7%. Flapen's verdict: Worth a look (57/100).
- How competitive is the lunch box with thermos niche?
- 73 brands and 119 sellers compete. The top 5 products take 15% of clicks and top 5 brands hold 43% of demand.
- What do buyers complain about in lunch box with thermos?
- Top complaints mined from reviews: Size-Overall, Durability, Quality-Overall. The return rate is 3.9%.
- When does demand for lunch box with thermos peak?
- Demand peaks in Aug–Sep; the busiest month runs 5.4× the quietest.
- What does it cost to enter the lunch box with thermos niche?
- Listings span $6.51–$50.47; the average listing price is $22.69 (sweet spot $15–$100). The average incumbent carries 8,594 reviews — the moat a new listing must climb.