Flask Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Flask sales on Amazon US totaled 78,800 units in July 2026 (▼ 8.9% vs. the prior month), generating an estimated $1,330,204 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 58.4% of unit volume and 55.0% of revenue, while a typical listing is priced at $18.88. The keyword itself pulled 52,005 Amazon queries over the same period (▲ 14.6% MoM).
Zooming out to the 12-month window ending July 2026, the flask Top 50 moved 752,200 units and $12,929,920 in cumulative sales — an average of 62,683 units and $1,077,493 per month. Monthly throughput topped out at 86,500 units in June 2026 and dipped to 37,100 in May 2026, leaving the latest reading 6.7% higher than August 2025.
Flask Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
78.8K
▼ 8.9% MoM
Monthly Revenue 2026/07
$1.3M
▼ 9.0% MoM
Top 10 Market Share 2026/07
58.4%
Flask Market Share & Sales Concentration on Amazon US — July 2026
The most-sold flask listing on Amazon US in July 2026 is ASIN B0D8J2ZB8P (Brand: POWCAN), which sold 10,000 units at $15.99 apiece — equal to 12.7% of every unit tracked in this report and 43% ahead of the No. 2 listing.
The Top 10 ASINs account for 46,000 units and $731,750 in July 2026 — 58.4% of unit volume and 55.0% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Flask' on Amazon
July 2026
Is 58.4% Top 10 share highly concentrated?
Ask AI to evaluate competition, market structure, and entry opportunities using ’s tracked Amazon sales, ranking, and keyword data.
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Top 5 Volume Share breakdown
B0D8J2ZB8P
POWCAN 26 oz Insulated Water Bottle with 2-in-1 Straw and Spout Lid, Keep Cold 24H, Leak-Proof, Fits in Car Cup Holder, Stainless Steel Water Bottle for Sports, Travel, and School (Dark Knight)
10K
▲ 0.0%vs. prior month
$149.9K
latest month
12-month trend
B0DLCG65B5
DYSANKY Insulated Water Bottle w/Straw Lid & Portable Carrier Bag, 64oz | Thickened Stainless Steel Large Metal Sports Water Jug, Includes Spout Lid, BPA-Free, Half Gallon, Perfect for Gym & Hiking
7K
▼ 12.5%vs. prior month
$172.8K
latest month
12-month trend
B07NSQTQK9
Hydro Flask Wide Mouth Lids- Accessory for Wide Mouth Water Bottle
5K
▲ 0.0%vs. prior month
$74.8K
latest month
12-month trend
B0FMQF3BCM
Travel Bottles TSA 4x2oz With Case Leak-Proof Black | Durable ABS hard case, press-to-unlock, 4 individual compartments, wide-mouth bottles for easy fill, leak-proof seals
5K
▲ 0.0%vs. prior month
$67.2K
latest month
12-month trend
B0CVPYWTMW
GoPong Tampon Flasks 12 Pack (18 oz Total) - Hidden Alcohol Travel Flasks for Women - Secret Liquor Containers for Nightclubs, Festivals, Cruises, and Sports Events – Includes Funnel & Spout
5K
▼ 16.7%vs. prior month
$50K
latest month
12-month trend
B0D63MZQ97
SWIFTER 2x Soft Flask 500ml | Running, Hiking, Cycling Hydration Flask | Collapsible, Leakproof, Reusable | Matt Finish, Sky Blue
3K
▼ 25.0%vs. prior month
$50.6K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Flask Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
POWCAN is the best-performing flask brand in July 2026, moving 10,000 units across 1 ASIN for 21.7% of Top 10 volume. DYSANKY follows with 7,000 units (15.2%), ahead of Hydro Flask on 7,000 units (15.2%).
Volume is spread across 9 brands, with the top three holding 52.2% between them. No single label controls the shelf, which usually leaves room for a well-differentiated listing to take share without outspending an incumbent. Average selling prices among the leaders run from $15.99 to $27.45, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
POWCAN
1 ASIN in Top 10
21.7%
Units
10K
Revenue
$149.9K
Avg. price
$15.99
B0D8J2ZB8P
$15.99·★4.5·11.4K revsPOWCAN 26 oz Insulated Water Bottle with 2-in-1 Straw and Spout Lid, Keep Cold 24H, Leak-Proof, Fits in Car Cup Holder, Stainless Steel Water Bottle for Sports, Travel, and School (Dark Knight)
Units sold10K
DYSANKY
1 ASIN in Top 10
15.2%
Units
7K
Revenue
$172.8K
Avg. price
$22.22
B0DLCG65B5
$22.22·★4.6·5.1K revsDYSANKY Insulated Water Bottle w/Straw Lid & Portable Carrier Bag, 64oz | Thickened Stainless Steel Large Metal Sports Water Jug, Includes Spout Lid, BPA-Free, Half Gallon, Perfect for Gym & Hiking
Units sold7K
Hydro Flask
2 ASINs in Top 10
15.2%
Units
7K
Revenue
$151K
Avg. price
$27.45
B07NSQTQK9
$14.95·★4.7·7.6K revsHydro Flask Wide Mouth Lids- Accessory for Wide Mouth Water Bottle
Units sold5KB07YXM6XTF
$39.95·★4.7·30.8K revsHydro Flask Water Bottle - Insulated Stainless Steel - Wide Mouth Flex Lid, Non Spill, Leakproof and Refillable in 32 Oz Black
Units sold2K
Trending Flask Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, 2 ASINs forced its way in: B09HGDPR58 booked 3K units at $7.99, with ▲ 50.0% MoM change. On the growth side, B07L6MZ9CT leads positive momentum with ▲ 400.0% MoM growth on 500 units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B09HGDPR58
24 Pcs Plastic Flasks, 8 Oz Concealable and Reusable Drink Pouches, Leak-Proof Food Grade Plastic for Travel (8OZ-24PCS +3 Funnels)
Price
$7.99
Rating
4.7
Reviews
1.5K
Latest month sales
B07YXM6XTF
Hydro Flask Water Bottle - Insulated Stainless Steel - Wide Mouth Flex Lid, Non Spill, Leakproof and Refillable in 32 Oz Black
Price
$39.95
Rating
4.7
Reviews
30.8K
Latest month sales
B07L6MZ9CT
Stanley Classic Easy Fill Wide Mouth Flask 8 oz | Leakproof Hip Flask | Hinge Connected Never Lose Cap | Insulated Stainless Steel Liquor Container | BPA-Free | Hammertone Green
Unlock to view ASIN details and product titles
Price
$26.00
Rating
4.7
Reviews
2.1K
Latest month sales
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