Water Flask
Water Flask shows low returns (1.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Flapen Score
Is Water Flask profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, Water Flask is a £67K/yr Amazon United Kingdom market (267K searches/yr). The top 5 brands hold 62% of demand. Demand peaks in Jul–Aug–Sep. Verdict: Worth a look — 56/100.
Water Flask: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Worth a look. Search demand moved +47.6% over the last 90 days and 2.0% of searches end in a purchase.
£67K
revenue / yr
Who owns the niche?
The top 5 brands hold 62% of demand, so 38% of the market is open.
38%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.
0/100
page quality · 71 products
Top Water Flask products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 90-day click share
OLDLEY Stainless Steel Water Bottle with Straw 1L Vaccum Insulated Large Drink Flask Metal Water Bottles 1 Litre Leakproof Keep Drinks Hot Cold for Bike Sports Gym Adult Women Men(Black 1 Lid)
- Price
- £11.55
- Rating
- 4.4/5
- Reviews
- 4,706
- Age
- 3y ago
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
- Price
- £8.60
- Rating
- 4.6/5
- Reviews
- 10,532
- Age
- 2y ago
Klean Kanteen 800ml Classic Metal Water Bottle with Straw | 100% Leakproof | 27oz Stainless Steel Sports Water Bottle | Gym or Travel | Durable & BPA-Free | (Black)
- Price
- £18.25
- Rating
- 4.4/5
- Reviews
- 101
- Age
- 5mo ago
Exllena Insulated Water Bottles 1l with Clip Double Wall Vacuum Drinks Bottle Keeps Drinks Cold 24 Hrs/Hot 12 Hrs Stainless Steel Water Bottle BPA Free (Dark Blue)
- Price
- £14.38
- Rating
- 4.5/5
- Reviews
- 3,351
- Age
- 3y ago
Klean Kanteen Reflect Deckel Brushed Stainless 800 ml
- Price
- £28.74
- Rating
- 4.5/5
- Reviews
- 299
- Age
- 5y ago
Trending
90-day click momentum
Klean Kanteen 530ml Classic Metal Water Bottle with Straw | 100% Leakproof | 18oz Stainless Steel Sports Water Bottle | Gym or Travel | Durable & BPA-Free | (Baltic Blue)
- Price
- £15.36
- Rating
- 4.4/5
- Reviews
- 101
- Age
- 4mo ago
Klean Kanteen 800ml Classic Metal Water Bottle with Straw | 100% Leakproof | 27oz Stainless Steel Sports Water Bottle | Gym or Travel | Durable & BPA-Free | (Black)
- Price
- £18.25
- Rating
- 4.4/5
- Reviews
- 101
- Age
- 5mo ago
Fuel24 Duo - Stainless Steel Water Bottle 700ml or 1L - Vacuum Insulated Metal Flask with Straw (Dual use Lid) 1 Litre - for Sports Gym Work Slim Design (Lavender 700 ml)
- Price
- £11.12
- Rating
- 4.5/5
- Reviews
- 253
- Age
- 9mo ago
Klean Kanteen Kids Water Bottle with Sippy Cup Lid | 350ml Drinks Bottle | 100% Leakproof | Sippy Lid with Protective Cover | Childrens Metal Flask | Durable & BPA Free | Stainless Steel | Cars
- Price
- £14.07
- Rating
- 4.5/5
- Reviews
- 138
- Age
- 1y ago
Polar Gear Stainless Steel Water Bottle 1L - Double Wall Vacuum Insulated Water Bottles with Dust Cover Screw Cap Leakproof Metal Water Bottle BPA Free Drinking Bottle with Carry Handle (Green)
- Price
- £10.24
- Rating
- 4.6/5
- Reviews
- 276
- Age
- 1y ago
Newest
by launch dateKlean Kanteen 530ml Classic Metal Water Bottle with Straw | 100% Leakproof | 18oz Stainless Steel Sports Water Bottle | Gym or Travel | Durable & BPA-Free | (Baltic Blue)
- Price
- £15.36
- Rating
- 4.4/5
- Reviews
- 101
- Age
- 4mo ago
Klean Kanteen 800ml Classic Metal Water Bottle with Straw | 100% Leakproof | 27oz Stainless Steel Sports Water Bottle | Gym or Travel | Durable & BPA-Free | (Black)
- Price
- £18.25
- Rating
- 4.4/5
- Reviews
- 101
- Age
- 5mo ago
Fuel24 Duo - Stainless Steel Water Bottle 700ml or 1L - Vacuum Insulated Metal Flask with Straw (Dual use Lid) 1 Litre - for Sports Gym Work Slim Design (Lavender 700 ml)
- Price
- £11.12
- Rating
- 4.5/5
- Reviews
- 253
- Age
- 9mo ago
Mont-Clair lO Stainless Steel Water Bottle Vacuum Insulated - BPA Free 12h Hot & 24h Cold Drinks Metal Water Bottle 750ML Leakproof Ideal for Adult Kids Running - Black
- Price
- £8.41
- Rating
- 4.5/5
- Reviews
- 1,139
- Age
- 11mo ago
Mont-Clair lO Stainless Steel Water Bottle Vacuum Insulated - BPA Free 12h Hot & 24h Cold Drinks Metal Water Bottle 1L Leakproof Ideal for Adult Kids Running - Black
- Price
- £9.69
- Rating
- 4.5/5
- Reviews
- 1,139
- Age
- 11mo ago
Competition: brands, sellers & click share
Clicks spread well past the top 5 (28% combined) — an open shelf where new products get seen.
Brands
25 falling
Sellers
50
Top-5 brand share
62%
Top 20: 97%
Top-5 click share
28%
Top 20: 60%
Open market
33%
- Klean Kanteen21%
- Otto Koning12%
- OLDLEY11%
- Mont-Clair11%
- Polar Gear7%
- Exllena4%
Water Flask demand & seasonality
Weekly search volume, with the niche's key stats alongside.
Peak months: Jul, Aug, Sep · busiest ÷ quietest = 4.3×
Top Water Flask search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- klean kanteen49K/yr
- 1l insulated water bottle21K/yr
- metal water bottle 1l27K/yr
- 750ml stainless steel water bottle18K/yr
- 1 litre insulated water bottle14K/yr
- insulated water bottles 1 litre14K/yr
- klean kanteen water bottle16K/yr
- water bottle 750ml insulated9K/yr
- 1 litre metal water bottle10K/yr
- stainless steel water bottle 750ml11K/yr
What reviews say buyers love and hate about Water Flask
What buyers mention most, as a share of all reviews.
What buyers love
81% of reviews“Excellent product”
“Keeps drinks cold”
“Excellent value”
“Decent size”
“does not leak”
What buyers complain about
61% of reviews“It started to leak”
“Didnt fit car holder”
“Not durable”
“it doesnt even last a couple of hours before the temperature drops”
“Terrible quality control”
Water Flask return rate & reasons
Why buyers send it back, as a share of all return requests.
1.1%
Return rate
71%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common Water Flask questions
The questions sellers ask about this niche, answered from the tracked metrics.
Related niches
Same-category niches scoring near this one — the next ones worth researching.
Best Flapen score
The highest-scoring niches we track right now, across every category.
