---
title: "Food Flask — £430K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/food-flask"
last_updated: "2026-08-01T02:15:35.496Z"
locale: en
meta:
description: "Niche score 48/100 · £430K/yr market · 1.6M searches/yr · £13.96 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 48/100 · £430K/yr market · 1.6M searches/yr · £13.96 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Food Flask — £430K/yr Amazon UK Niche (2026) - Flapen"
---
# **food flask**
**Skip it**
Soft demand (-46.2% this quarter) — this niche doesn't clear our bar today.
Market size 57Growth 2Conversion 25Competition 80Returns 80Price range 57Avg price 66Brand share 34Review moat 24Quality gap 58
**Competition**
**Great****35%**
top-5 click share — an open shelf
**Returns**
**Great****1.8%**
return rate — above 5% kills the launch gate
**Avg price**
**Good****£13.96**
avg listing price — sweet spot $15–$100
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Market size**
**Good****£430K**
£430K/yr · 1.6M searches
**Price range**
**Good****£6.74–£25.85**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Okay****84%**
top-5 brand share — brands hold most of the demand
**Conversion**
**Bad****2.0%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Bad****5,340.17**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-46.2%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, food flask is a £430K/yr Amazon United Kingdom market (1.6M searches/yr). The top 5 brands hold 84% of demand. Demand peaks in Jan–Sep–Oct–Nov. Verdict: Skip it — 48/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **food flask market data**
- **Units sold / yr**
- **40K–50K**
- avg 750–1,000/product
- **Revenue / yr**
- **£558K–£698K**
- units × avg price
- **Conversion rate**
- **2.0%**
- **Avg BSR**
- **#60**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **95%**
- **Out of stock**
- **4.7%**
- **Avg brand age**
- **34 months**
- **Avg seller age**
- **175 days**
## **Competition & brand share**
Clicks spread well past the top 5 (35% combined) — an open shelf where new products get seen.
**Brands**
**16 **▼falling
**Sellers**
**99**
**Top-5 brand share**
**84%**
Top 20: 100%
**Top-5 click share**
**35%**
Top 20: 79%
**Open market**
**12%**
- Thermos41% - Polar Gear27% - Décor9% - Kichna4% - Dreamhigh4% - STANLEY3% - Open — no brand owns it (10 brands, 12%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -46.2% search growth over the last 90 days.
70K50KSpike '24Black Friday '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Sep, Oct, Nov · busiest ÷ quietest = 4.1×
[**Open Trend **](https://flapen.com/research/uk/home-garden/food-flask/trend)
## **Top food flask search terms**
- **food flask**378K/yr-49.8%1.7% conv. - **thermos food flask**218K/yr-50.6%3.5% conv. - **food flasks for hot food**179K/yr-43.8%1.7% conv. - **insulated food container**69K/yr-32.3%0.5% conv. - **soup flask**188K/yr-67.0%2.5% conv. - **hot food flask**100K/yr-48.8%1.8% conv. - **food thermos**62K/yr-31.8%1.9% conv. - **thermal food container**51K/yr-39.8%0.9% conv. - **hot food containers**48K/yr-33.7%0.9% conv. - **kids food flask**34K/yr-34.3%0.9% conv. [**All search terms **](https://flapen.com/research/uk/home-garden/food-flask/search-terms)
## **Top food flask 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%£13K6%£26K9%£39K12%£52K101001K10K100K 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**Thermos Stainless King Food Flask 470ml Capacity - Sleek Multi- Purpose Flask for Daily Food Prep - Durable Stainless Steel with Classic Red Finish - Ideal for On-the-Go Meals & Drinks**Thermos**£14.72**4.6★26,139 rev](https://www.amazon.co.uk/dp/B00DGPPY20) [2**Thermos Stainless King Food Flask 470ml Capacity - Sleek Multi- Purpose Flask for Daily Food Prep - Durable Stainless Steel with Classic Duck Egg Finish - Ideal for On-the-Go Meals & Drinks**Thermos**£16.71**4.6★26,139 rev](https://www.amazon.co.uk/dp/B077GZQZT8) [3**Polar Gear 600ml Hot Food Flask & Foldable Spoon - Vacuum Insulated Double Wall Stainless Steel Thermos Soup Flask Jars Leakproof and BPA Free - Lunch Thermal Food Flasks for Hot Food Kids & Adults**Polar Gear**£11.54**4.6★109 rev](https://www.amazon.co.uk/dp/B0FHPRYQ2D) [4**Polar Gear Insulated Food Flasks For Hot Food Triple Layer Stainless Steel Hot Food Flask With Spoon Keep Meals & Drinks Hot for 6 Hours & Cold for 6 Hours Soup Flask For Work School - Blue**Polar Gear**£11.04**4.4★1,196 rev](https://www.amazon.co.uk/dp/B08LZPYT8Z) [5**Kichna Double Walled Stainless Steel thermal Food Flask Tub | BPA Free Lid Leak & Spill Proof Jar with Handle | Keeps Cold for 6Hrs or Hot for 6Hrs - Blush Pink**Kichna**£8.15**4.0★143 rev](https://www.amazon.co.uk/dp/B0C6XNQ5CY)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Polar Gear 600ml Hot Food Flask & Foldable Spoon - Vacuum Insulated Double Wall Stainless Steel Thermos Soup Flask Jars Leakproof and BPA Free - Lunch Thermal Food Flasks for Hot Food Kids & Adults**Polar Gear**£11.54**109 rev8mo ago](https://www.amazon.co.uk/dp/B0FHPRYQ2D) [**Polar Gear 600ml Hot Food Flask & Foldable Spoon - Vacuum Insulated Double Wall Stainless Steel Thermos Soup Flask Jars Leakproof and BPA Free - Lunch Thermal Fod Flasks for Hot Food Kids & Adults**Polar Gear**£11.65**109 rev8mo ago](https://www.amazon.co.uk/dp/B0FHQ2MPV5) [**Polar Gear 600ml Hot Food Flask & Foldable Spoon - Vacuum Insulated Double Wall Stainless Steel Thermos Soup Flask Jars Leakproof and BPA Free - Lunch Thermal Food Flasks for Hot Food Kids & Adults**Polar Gear**£11.60**109 rev8mo ago](https://www.amazon.co.uk/dp/B0FHQ2D4KQ) [**Décor 350ml Kids Insulated Food Flask - Double Wall Stainless Steel Container with Wide Opening Airtight Leakproof Lid 4h Hot / 9h Cold - Purple**Décor**£6.74**75 rev10mo ago](https://www.amazon.co.uk/dp/B0FPGSJFY1) [**520ml Insulated Food Flasks For Hot Food Double-Wall Stainless Steel Hot Food Flask With Spoon Thermal Lunch Box keeps Meals Drinks Hot or Cold for 6 Hours Leakproof Soup Containers (Black)**Polar Gear**£11.26**528 rev1y ago](https://www.amazon.co.uk/dp/B0DSJMTLFV)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Andmenow 80W Faster Electric Lunch Box Update Home Office Truck Car Food Warmer Portable Food Heater with 304 Stainless Steel Container Spoon & Fork and Carry Bag (GreyGreen)**Andmenow**£16.13**4.5★**▲ 470%**](https://www.amazon.co.uk/dp/B0BXCY41DN) [**Thermos Stainless King Food Flask 710ml Capacity - Sleek Multi- Purpose Flask for Daily Food Prep - Durable Stainless Steel with Matt Black Finish - Ideal for On-the-Go Meals & Drinks**Thermos**£19.67**4.6★**▲ 313%**](https://www.amazon.co.uk/dp/B00P1VS0W8) [**Polar Gear 600ml Hot Food Flask & Foldable Spoon - Vacuum Insulated Double Wall Stainless Steel Thermos Soup Flask Jars Leakproof and BPA Free - Lunch Thermal Food Flasks for Hot Food Kids & Adults**Polar Gear**£11.54**4.6★**▲ 248%**](https://www.amazon.co.uk/dp/B0FHPRYQ2D) [**Kichna Double Walled Stainless Steel thermal Food Flask Tub | BPA Free Lid Leak & Spill Proof Jar with Handle | Keeps Cold for 6Hrs or Hot for 6Hrs - Blush Pink**Kichna**£8.15**4.0★**▲ 226%**](https://www.amazon.co.uk/dp/B0C6XNQ5CY) [**STANLEY 1913 Classic Food Jar With Spork 0.4L - Rose Quartz**STANLEY**£25.55**4.6★**▲ 219%**](https://www.amazon.co.uk/dp/B0CNTVCWLL)
**~~View all trending →~~**
## **What buyers say about food flask**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**18%
*“Excellent product”*
**Temperature Retention**13%
*“Reliable insulation, sturdy build, and great for keeping meals hot for hours”*
**Size-Overall**9%
*“Great size”*
**Value For Money**8%
*“Good for the price”*
**Heating**7%
*“Keeps it warm”*
**Warmth**6%
*“keeps food warm as stated”*
**Advertised Vs Actual Product**5%
*“As described”*
**Leak-Proof**5%
*“doesnt leak”*
**Ease Of Use**3%
*“Easy to use”*
**Ease Of Cleaning**3%
*“It has a big opener which is useful while cleaning”*
### **What buyers complain about **
**Heating**15%
*“Does not retain heat at all”*
**Quality-Overall**11%
*“Load of rubbish”*
**Value For Money**8%
*“So a total waste of money”*
**Size-Overall**8%
*“sometimes what he wants to take in there doesnt quite fit”*
**Durability**7%
*“broke after a few use”*
**Temperature Control**7%
*“Didnt keep food warm”*
**Advertised Vs Actual Product**4%
*“just doesnt do what description says it does”*
**Leak-Proof**4%
*“My flask leaks”*
**Warmth**3%
*“Does not keep food warm”*
**Functionality-Overall**3%
*“Doesnt do the job”*
### **Top return reasons **
**Size-Overall**54%
**Warmth**5%
**Temperature Control**5%
**Color**5%
**Heating**4%
**Leak-Proof**3%
**Ease Of Use**2%
**Defective Material/Parts**2%
**Advertised Vs Actual Product**2%
**Functionality-Overall**2%
## **Common questions**
- **Is food flask profitable to sell on Amazon United Kingdom?**
- The niche generates £430K/yr across 41 tracked products. 2 of 5 products launched in the last 360 days are still selling. 90-day search growth is -46.2%. Flapen's verdict: Skip it (48/100).
- **How competitive is the food flask niche?**
- 16 brands and 99 sellers compete. The top 5 products take 35% of clicks and top 5 brands hold 84% of demand.
- **What do buyers complain about in food flask?**
- Top complaints mined from reviews: Heating, Quality-Overall, Value For Money. The return rate is 1.8%.
- **When does demand for food flask peak?**
- Demand peaks in Jan–Sep–Oct–Nov; the busiest month runs 4.1× the quietest.
- **What does it cost to enter the food flask niche?**
- Listings span £6.74–£25.85; the average listing price is £13.96 (sweet spot $15–$100). The average incumbent carries 5,340 reviews — the moat a new listing must climb.
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