coffee flask
Skip itA small market ($30K/yr) — this niche doesn't clear our bar today.
Returns
Great1.2%return rate — above 5% kills the launch gate
Competition
Great30%top-5 click share — an open shelf
Brand share
Good62%top-5 brand share — brands hold most of the demand
Price range
Good£6.11–£34.26cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Avg price
Okay£11.93avg listing price — sweet spot $15–$100
Conversion
Okay2.4%search→purchase rate — share of searches ending in a sale
Review moat
Bad11,345.21avg 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
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.Peak months: Oct, Nov, Dec · busiest ÷ quietest = 2.8×
Top coffee flask search terms
- drinking flask12K/yr
- metal flask12K/yr
- drink flask12K/yr
- tea thermos16K/yr
- 500ml flask9K/yr
- travel flask for hot drink13K/yr
- hot and cold flask5K/yr
- flask 500ml5K/yr
- drink flasks3K/yr
- 500ml flask for hot drinks5K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
ThermoCafe Stainless Steel 500ml Flask
Thermos£8.244.6★22,004 rev
Contigo Byron SNAPSEAL Travel Mug 470 ml
Contigo£8.074.4★23,825 rev
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£7.094.6★3,685 rev
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£12.694.4★150,284 rev
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£19.164.7★24,566 rev
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£6.1811 rev
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£6.73778 rev
SUNWILL Metal Water Bottle with Straw Stainless Steel 650ml Insulated Leakproof Thermal Flask for Cold and Hot Drink Travel Sports Gym Black
SUNWILL£9.21817 rev
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£7.093,685 rev
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£7.55426 rev
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£17.034.7★
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£6.734.2★
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£8.604.6★
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£6.184.3★
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£6.164.6★
What buyers say about coffee flask
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality bottle”
“Keeps hot”
“Decent price”
“Totally leak proof”
“Good size”
“Exactly what I wanted”
“Keeps heat etc”
“Easy to use”
“it has held up very well”
“its very easy to hand clean is the sink”
What buyers complain about
“Leaks everywhere”
“doesn't retain heat well”
“Breaks easy”
“isn't made super well”
“Not fit for purpose”
“Did not keep liquid hot”
“A bit expensive”
“This flask is difficult to open”
“Rusted in days”
“nothing works ro clean it”
Top return reasons
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.