---
title: "Coffee Flask — £30K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/coffee-flask"
last_updated: "2026-07-31T16:36:03.079Z"
locale: en
meta:
description: "Niche score 48/100 · £30K/yr market · 106K searches/yr · £11.93 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 48/100 · £30K/yr market · 106K searches/yr · £11.93 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Coffee Flask — £30K/yr Amazon UK Niche (2026) - Flapen"
---
# **coffee flask**
**Skip it**
A small market ($30K/yr) — this niche doesn't clear our bar today.
Market size 8Growth 19Conversion 30Competition 85Returns 91Price range 68Avg price 49Brand share 71Review moat 21Quality gap 53
**Returns**
**Great****1.2%**
return rate — above 5% kills the launch gate
**Competition**
**Great****30%**
top-5 click share — an open shelf
**Brand share**
**Good****62%**
top-5 brand share — brands hold most of the demand
**Price range**
**Good****£6.11–£34.26**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Okay****£11.93**
avg listing price — sweet spot $15–$100
**Conversion**
**Okay****2.4%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Bad****11,345.21**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-11.7%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****£30K**
£30K/yr · 106K searches
According to Flapen's Amazon United Kingdom niche tracking, coffee flask is a £30K/yr Amazon United Kingdom market (106K searches/yr). The top 5 brands hold 62% of demand. Demand peaks in Oct–Nov–Dec. Verdict: Skip it — 48/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **coffee flask market data**
- **Units sold / yr**
- **3K–3K**
- avg 0–100/product
- **Revenue / yr**
- **£30K–£36K**
- units × avg price
- **Conversion rate**
- **2.4%**
- **Avg BSR**
- **#69**
- **Page quality**
- **0%**
- **Prime**
- **97%**
- **Sponsored**
- **81%**
- **Out of stock**
- **1.1%**
- **Avg brand age**
- **50 months**
- **Avg seller age**
- **173 days**
## **Competition & brand share**
Clicks spread well past the top 5 (30% combined) — an open shelf where new products get seen.
**Brands**
**35 **▼falling
**Sellers**
**105**
**Top-5 brand share**
**62%**
Top 20: 90%
**Top-5 click share**
**30%**
Top 20: 64%
**Open market**
**34%**
- Thermos32% - Contigo10% - Otto Koning7% - MILTON7% - Mont-Clair6% - SUNWILL4%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -11.7% search growth over the last 90 days.
6K4KSpike '24Black Friday '24Holiday '24Prime Day '25Spike '25Black Friday '25Holiday '25 seasonSepDecMarJunAugNovMarMay
Peak months: Oct, Nov, Dec · busiest ÷ quietest = 2.8×
[**Open Trend **](https://flapen.com/research/uk/home-garden/coffee-flask/trend)
## **Top coffee flask search terms**
- **drinking flask**12K/yr+7.3%1.1% conv. - **metal flask**12K/yr-0.8%1.6% conv. - **drink flask**12K/yr+15.0%1.0% conv. - **tea thermos**16K/yr-34.6%0.7% conv. - **500ml flask**9K/yr-7.3%3.5% conv. - **travel flask for hot drink**13K/yr-29.8%1.2% conv. - **hot and cold flask**5K/yr+27.2%0.9% conv. - **flask 500ml**5K/yr-3.6%4.0% conv. - **drink flasks**3K/yr+34.4%0.2% conv. - **500ml flask for hot drinks**5K/yr-21.7%4.7% conv. [**All search terms **](https://flapen.com/research/uk/home-garden/coffee-flask/search-terms)
## **Top coffee 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%£9146%£2K9%£3K12%£4K101001K10K100K1.0M 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**ThermoCafe Stainless Steel 500ml Flask**Thermos**£8.24**4.6★22,004 rev](https://www.amazon.co.uk/dp/B000TASOEK) [2**Contigo Byron SNAPSEAL Travel Mug 470 ml**Contigo**£8.07**4.4★23,825 rev](https://www.amazon.co.uk/dp/B07TRDWHXG) [3**Mont-Clair Stainless Steel Water Bottle Vacuum Insulated - BPA Free 12h Hot & 24h Cold Drinks Metal Water Bottle 500ml Leakproof Ideal for Adult Kids Running - Black**Mont-Clair**£7.09**4.6★3,685 rev](https://www.amazon.co.uk/dp/B0CYSTYSHH) [4**Milton Vacuum Flask for Hot Drink 1 Litre (34 oz) Stainless Steel Double Walled Insulated Water Bottle for 24 Hour Hot and Cold Drinks with Cover Leak Proof BPA Free Thermosteel Flip Lid 1000 ml**MILTON**£12.69**4.4★150,284 rev](https://www.amazon.co.uk/dp/B00MIYM0VS) [5**Thermos - Stainless King Red Travel Flask (1.2L) - Premium Leak Proof Insulated Tea & Coffee Flask for Hot & Cold Drinks Built-in Cup Twist-Pour Stopper BPA-Free Durable Steel**Thermos**£19.16**4.7★24,566 rev](https://www.amazon.co.uk/dp/B00D4EFAOK)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Vacuum Flask 500ml - Stainless Steel Insulated Water Bottle - Double Wall Thermal Flask for Hot and Cold Drinks - Leakproof Travel Mug - Reusable Drink Bottle for Office Gym School Hiking Camping**JKG**£6.18**11 rev1y ago](https://www.amazon.co.uk/dp/B0FF1V8RRY) [**Otto Koning Metal Water Bottle 750ml Stainless Steel Water Bottle Insulated Flask Leakproof Thermal Sports Drinks Gym Bottles for Men Women Double Wall Vacuum Keeps Cold 16h Hot 10h BPA Free**Otto Koning**£6.73**778 rev1y ago](https://www.amazon.co.uk/dp/B0DJ7WV5PK) [**SUNWILL Metal Water Bottle with Straw Stainless Steel 650ml Insulated Leakproof Thermal Flask for Cold and Hot Drink Travel Sports Gym Black**SUNWILL**£9.21**817 rev1y ago](https://www.amazon.co.uk/dp/B0DCFM5TYS) [**Mont-Clair Stainless Steel Water Bottle Vacuum Insulated - BPA Free 12h Hot & 24h Cold Drinks Metal Water Bottle 500ml Leakproof Ideal for Adult Kids Running - Black**Mont-Clair**£7.09**3,685 rev2y ago](https://www.amazon.co.uk/dp/B0CYSTYSHH) [**ANGVOOL Insulated Water Bottle Stainless Steel Metal Thermal Flask for Hot and Cold Drinks Leak Proof BPA Free Drinking Bottles for Kids or Adults (Black 500ml)**ANGVOOL**£7.55**426 rev2y ago](https://www.amazon.co.uk/dp/B0CWDH679Q)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Thermos - Teal Direct Drink Flask (470ml) Reusable Insulated Stainless Steel Water Bottle Thermal Coffee Cup for Hot or Cold Drinks Vacuum Sealed Water Flask with a Leak-Proof Lid 10hr Hot/24hr Cold**Thermos**£17.03**4.7★**▲ 200%**](https://www.amazon.co.uk/dp/B0148QIJO0) [**Otto Koning Metal Water Bottle 750ml Stainless Steel Water Bottle Insulated Flask Leakproof Thermal Sports Drinks Gym Bottles for Men Women Double Wall Vacuum Keeps Cold 16h Hot 10h BPA Free**Otto Koning**£6.73**4.2★**▲ 186%**](https://www.amazon.co.uk/dp/B0DJ7WV5PK) [**Water Bottle Otto Koning 1L - 1 Litre Stainless Steel Vacuum Insulated Flask - Keeps Cold 24h / Hot 12h - Large Leak Proof & BPA Free Metal Drinks Bottle for Gym Hiking & Sports**Otto Koning**£8.60**4.6★**▲ 157%**](https://www.amazon.co.uk/dp/B0CHHVVJ6C) [**Vacuum Flask 500ml - Stainless Steel Insulated Water Bottle - Double Wall Thermal Flask for Hot and Cold Drinks - Leakproof Travel Mug - Reusable Drink Bottle for Office Gym School Hiking Camping**JKG**£6.18**4.3★**▲ 137%**](https://www.amazon.co.uk/dp/B0FF1V8RRY) [**Water Bottle Otto Koning 500ml - Stainless Steel Vacuum Insulated Flask - Keeps Cold 24h / Hot 12h - Leak Proof BPA Free & Scratch Resistant Metal Drinks Bottle for Gym Office & Travel**Otto Koning**£6.16**4.6★**▲ 119%**](https://www.amazon.co.uk/dp/B0BK98QDGP)
**~~View all trending →~~**
## **What buyers say about coffee flask**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**20%
*“Good quality bottle”*
**Temperature Retention**18%
*“Keeps hot”*
**Value For Money**9%
*“Decent price”*
**Leak-Proof**8%
*“Totally leak proof”*
**Size-Overall**6%
*“Good size”*
**Advertised Vs Actual Product**5%
*“Exactly what I wanted”*
**Heating**4%
*“Keeps heat etc”*
**Ease Of Use**4%
*“Easy to use”*
**Durability**3%
*“it has held up very well”*
**Ease Of Cleaning**2%
*“its very easy to hand clean is the sink”*
### **What buyers complain about **
**Leak-Proof**24%
*“Leaks everywhere”*
**Heating**11%
*“doesn't retain heat well”*
**Durability**9%
*“Breaks easy”*
**Quality-Overall**7%
*“isn't made super well”*
**Size-Overall**5%
*“Not fit for purpose”*
**Temperature Retention**4%
*“Did not keep liquid hot”*
**Value For Money**3%
*“A bit expensive”*
**Ease Of Use**3%
*“This flask is difficult to open”*
**Rusts/Corrodes**2%
*“Rusted in days”*
**Ease Of Cleaning**2%
*“nothing works ro clean it”*
### **Top return reasons **
**Size-Overall**52%
**Leak-Proof**14%
**Color**4%
**Weight Heavy**3%
**Quality-Overall**3%
**Heating**2%
**Functionality-Overall**2%
**Defective Material/Parts**1%
**Ease Of Use**1%
**Value For Money**1%
## **Common questions**
- **Is coffee flask profitable to sell on Amazon United Kingdom?**
- The niche generates £30K/yr across 62 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is -11.7%. Flapen's verdict: Skip it (48/100).
- **How competitive is the coffee flask niche?**
- 35 brands and 105 sellers compete. The top 5 products take 30% of clicks and top 5 brands hold 62% of demand.
- **What do buyers complain about in coffee flask?**
- Top complaints mined from reviews: Leak-Proof, Heating, Durability. The return rate is 1.2%.
- **When does demand for coffee flask peak?**
- Demand peaks in Oct–Nov–Dec; the busiest month runs 2.8× the quietest.
- **What does it cost to enter the coffee flask niche?**
- Listings span £6.11–£34.26; the average listing price is £11.93 (sweet spot $15–$100). The average incumbent carries 11,345 reviews — the moat a new listing must climb.
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