---
title: "Bento Lunch Box for Kids with Thermos — $12K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/home-kitchen/bento-lunch-box-for-kids-with-thermos"
last_updated: "2026-08-10T06:44:50.684Z"
locale: en
meta:
description: "Niche score 46/100 · $12K/yr market · 57K searches/yr · $30.44 avg price. Doesn't clear our bar today. Data updated Aug 2026."
"og:description": "Niche score 46/100 · $12K/yr market · 57K searches/yr · $30.44 avg price. Doesn't clear our bar today. Data updated Aug 2026."
"og:title": "Bento Lunch Box for Kids with Thermos — $12K/yr Amazon US Niche (2026) - Flapen"
---
# **bento lunch box for kids with thermos**
**Skip it**
A small market ($12K/yr) — this niche doesn't clear our bar today.
Market size 3Growth 57Conversion 9Competition 79Returns 25Price range 95Avg price 95Brand share 64Review moat 23Quality gap 48
**Avg price**
**Incredible****$30.44**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$15.51–$57.30**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Great****36%**
top-5 click share — an open shelf
**Brand share**
**Good****67%**
top-5 brand share — brands hold most of the demand
**Growth**
**Good****+31.0%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Returns**
**Okay****5.0%**
return rate — above 5% kills the launch gate
**Review moat**
**Bad****8,380.16**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Bad****0.7%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****$12K**
$12K/yr · 57K searches
According to Flapen's Amazon United States niche tracking, bento lunch box for kids with thermos is a $12K/yr Amazon United States market (57K searches/yr). The top 5 brands hold 67% of demand. Demand peaks in Jul–Aug–Sep. Verdict: Skip it — 46/100.
Data updated Aug 2, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **bento lunch box for kids with thermos market data**
- **Units sold / yr**
- **500–750**
- avg 0–100/product
- **Revenue / yr**
- **$15K–$23K**
- units × avg price
- **Conversion rate**
- **0.7%**
- **Avg BSR**
- **#153**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **95%**
- **Out of stock**
- **5.9%**
- **Avg brand age**
- **28 months**
- **Avg seller age**
- **142 days**
## **Competition & brand share**
Clicks spread well past the top 5 (36% combined) — an open shelf where new products get seen.
**Brands**
**28 **▲rising
**Sellers**
**48**
**Top-5 brand share**
**67%**
Top 20: 96%
**Top-5 click share**
**36%**
Top 20: 71%
**Open market**
**27%**
- Omie26% - Pawtong13% - Bentgo11% - Howeemo10% - HWONMTE7% - wiwens6%
## **Demand & seasonality**
Weekly Amazon search volume, last 99 weeks — +31.0% search growth over the last 90 days.
5K3KSpike '25Prime Day '25Spike '26 seasonDecMarJunAugNovMarMay
Peak months: Jul, Aug, Sep · busiest ÷ quietest = 10.3×
[**Open Trend **](https://flapen.com/research/us/home-kitchen/bento-lunch-box-for-kids-with-thermos/trend)
## **Top bento lunch box for kids with thermos search terms**
- **insulated bento box for kids**20K/yr-7.0%0.4% conv. - **bento box with soup container**6K/yr+37.6%0.4% conv. - **bentgo box with thermos**6K/yr+106.5%0.6% conv. - **bentgo lunch boxes with thermos**5K/yr+183.6%0.2% conv. - **bentgo with thermos**5K/yr+124.8%1.1% conv. - **bento box with thermos for adults**7K/yr+6.2%0.1% conv. - **bento box adult with thermos**4K/yr-2.3%0.2% conv. - **bentgo kids lunch box with thermos**2K/yr+35.4%1.2% conv. - **bento lunch box for kids hot and cold**2K/yr+466.7%0.0% conv. [**All search terms **](https://flapen.com/research/us/home-kitchen/bento-lunch-box-for-kids-with-thermos/search-terms)
## **Top bento lunch box for kids 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.
0%3%$3656%$7309%$1K12%$1K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Omie OmieBox Kids Insulated Leakproof Bento Lunch Box with Food Jar (Blue Sky)**Omie**$47.78**4.5★41,793 rev](https://www.amazon.com/dp/B017SGIMV2) [2**Pawtong Bento Lunch Box with 8oz Soup Thermo Kids Leakproof Lunch Food Containers with 4 Compartment Kids Thermo Insulated Hot Food Jar for School Trvael - (Pink)**Pawtong**$27.73**4.5★1,582 rev](https://www.amazon.com/dp/B0CWGSG7X2) [3**Omie OmieBox Kids Insulated Leakproof Bento Lunch Box with Food Jar (Pink Berry)**Omie**$47.91**4.5★41,793 rev](https://www.amazon.com/dp/B017SGKZUI) [4**Bento Lunch Box Set for Kids with 8oz Soup Thermo Leak-Proof Lunch Containers with 4 Compartment Kids Thermo Hot Food Jar and Insulated Lunch Bag for Kid to School-Blue**Howeemo**$29.24**4.2★1,197 rev](https://www.amazon.com/dp/B0CKPB56RS) [5**Bentgo Chill Kids 4-Compartment Bento Box Leakproof Lunch Box**Bentgo**$29.97**4.6★18,882 rev](https://www.amazon.com/dp/B08CVV9RBT)
**~~View all top sellers →~~**
### **Newest**
by launch date
[![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**$18.83**5 rev1y ago](https://www.amazon.com/dp/B0FHQ4LXDG) [**Kids Bento Lunch Box with 9oz Soup Thermo Leakproof Lunch Food Containers 4 Compartment with Insulated Hot Food Jar for Kid Toddler Girls Boys to School Trvael**wiwens**$26.98**305 rev1y ago](https://www.amazon.com/dp/B0FFSZ5DYG) [**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**$29.08**290 rev1y ago](https://www.amazon.com/dp/B0FD9B38GH) [**JoyYum Bento Box for Kids - Leak-Proof Bento Lunch Box with Insulated Thermo Food Jar - 4 Compartments 1 Removable Divider 1 Spoon 1 Fork - Dishwasher Safe BPA-Free (Green)**JoyYum**$28.27**180 rev1y ago](https://www.amazon.com/dp/B0F31YZWKH) [**Fimibuke Bento Box for Kids Adults BPA Free Toddler Lunch Box with Thermo**Fimibuke**$30.63**838 rev1y ago](https://www.amazon.com/dp/B0DSJ3FRPL)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[![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**$18.83**5.0★**▲ 254%**](https://www.amazon.com/dp/B0FHQ4LXDG) [**Kids Bento Lunch Box with 9oz Soup Thermo Leakproof Lunch Food Containers 4 Compartment with Insulated Hot Food Jar for Kid Toddler Girls Boys to School Trvael**wiwens**$26.98**4.5★**▲ 201%**](https://www.amazon.com/dp/B0FFSZ5DYG) [**BOSEDSANG Bento Lunch Box with 12oz Soup Thermo 4 Compartments Lunch Box Containers Spoon&Sauce Jar BPA Free&Leak proof Insulated Food Jar for Travel(Purple)**BOSEDSANG**$22.16**4.0★**▲ 196%**](https://www.amazon.com/dp/B0FF33WLB5) [**OmieBox Bento Box for Kids - Insulated Bento Lunch Box with Leak Proof Vacuum Insulated Food Jar - 3 Compartments Two Temperature Zones (Sunshine)**Omie**$47.09**4.5★**▲ 166%**](https://www.amazon.com/dp/B074BDW6D6) [**Fimibuke Bento Box for Kids Adults BPA Free Toddler Lunch Box with Thermo**Fimibuke**$30.63**4.6★**▲ 154%**](https://www.amazon.com/dp/B0DSJ3FRPL)
**~~View all trending →~~**
## **What buyers say about bento lunch box for kids with thermos**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**13%
*“the overall quality feels solid”*
**Ease Of Use**7%
*“Its easy to open”*
**Durability**7%
*“Cute and durable”*
**Leak-Proof**7%
*“Its leak free”*
**Size-Overall**7%
*“EXCELLENT SIZE”*
**Ease Of Cleaning**6%
*“Cleanup was straightforward”*
**Temperature Retention**6%
*“Keeping it in the fridge keeps everything cold”*
**Value For Money**5%
*“Value for money”*
**Storage Capacity**4%
*“Great capacity”*
**Design-Overall**4%
*“And the design is really cute”*
### **What buyers complain about **
**Durability**16%
*“Breaks easily”*
**Leak-Proof**8%
*“it tends to leak”*
**Size-Overall**7%
*“Too small”*
**Value For Money**6%
*“wish it wasn't so expensive”*
**Temperature Control**5%
*“Does not keep food hot/warm”*
**Heating**4%
*“Thermos doesnt hold heat well”*
**Quality-Overall**4%
*“Low Quality Lunchbox”*
**Weight Heavy**3%
*“Finally, it is bulky and heavy”*
**Dishwasher Safe**3%
*“it popped out in the dishwasher”*
**Ease Of Cleaning**3%
*“Arrived dirty”*
### **Top return reasons **
**Size-Overall**41%
**Value For Money**10%
**Weight Heavy**9%
**Advertised Vs Actual Product**5%
**Color**5%
**Ease Of Use**4%
**Product Condition**3%
**Leak-Proof**3%
**Functionality-Overall**3%
**Material Quality**3%
## **Common questions**
- **Is bento lunch box for kids with thermos profitable to sell on Amazon United States?**
- The niche generates $12K/yr across 56 tracked products. 3 of 8 products launched in the last 360 days are still selling. 90-day search growth is +31.0%. Flapen's verdict: Skip it (46/100).
- **How competitive is the bento lunch box for kids with thermos niche?**
- 28 brands and 48 sellers compete. The top 5 products take 36% of clicks and top 5 brands hold 67% of demand.
- **What do buyers complain about in bento lunch box for kids with thermos?**
- Top complaints mined from reviews: Durability, Leak-Proof, Size-Overall. The return rate is 5.0%.
- **When does demand for bento lunch box for kids with thermos peak?**
- Demand peaks in Jul–Aug–Sep; the busiest month runs 10.3× the quietest.
- **What does it cost to enter the bento lunch box for kids with thermos niche?**
- Listings span $15.51–$57.30; the average listing price is $30.44 (sweet spot $15–$100). The average incumbent carries 8,380 reviews — the moat a new listing must climb.
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