glass flask
Skip itA small market ($39K/yr) — this niche doesn't clear our bar today.
Avg price
Incredible$26.22avg listing price — sweet spot $15–$100
Price range
Great$9.39–$60.21cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great444.33avg incumbent reviews — the moat a new listing must climb
Returns
Good2.7%return rate — above 5% kills the launch gate
Competition
Okay57%top-5 click share — leaders hold, buyers still browse
Brand share
Okay77%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Bad-2.0%90-day search growth — must beat 0% to launch
Conversion
Bad1.7%search→purchase rate — share of searches ending in a sale
Market size
Bad$39K$39K/yr · 88K searches
According to Flapen's Amazon United States niche tracking, glass flask is a $39K/yr Amazon United States market (88K searches/yr). The top 5 brands hold 77% of demand. Demand peaks in Dec. Verdict: Skip it — 41/100.
Data updated Aug 6, 2026 · scored weekly · How we score niches
glass flask market data
- Units sold / yr
- 2K–2K
- avg 0–100/product
- Revenue / yr
- $39K–$52K
- units × avg price
- Conversion rate
- 1.7%
- Avg BSR
- #290
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 81%
- Out of stock
- 5.0%
- Avg brand age
- 63 months
- Avg seller age
- 181 days
Competition & brand share
The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.Brands
14 falling
Sellers
23
Top-5 brand share
77%
Top 20: 100%
Top-5 click share
57%
Top 20: 92%
Open market
19%
- Ragproper35%
- Delove23%
- Viski9%
- Tebery6%
- Le'raze6%
- eleganttime3%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -2.0% search growth over the last 90 days.Peak months: Dec · busiest ÷ quietest = 1.7×
Top glass flask search terms
- glass flask56K/yr
- glass flask for liquor16K/yr
- glass flasks5K/yr
- glass flask bottle5K/yr
- flask glass4K/yr
- ragproper flask4K/yr
Top glass 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
Ragproper Glass Hip Flask for Men Modern Whiskey & Liquor Pocket Flask with Cork & Silicone Lid Liners Durable Silicone Covered Firm Grip Single Shot 3.4oz (100ml) Black
Ragproper$27.174.6★1,204 rev
Delove Modern Glass Hip Flask with Silicone Sleeve- Small Portable Travel Liquor Flask- Clear Pocket Drinking Alcohol Flask for Men&Women- Wedding Party Groomsman Bridesmaid Gift- 7.5oz/220ml Black
Delove$13.024.4★520 rev
Viski Admiral Parker Glass Flask for Men Elegant Leakproof Hip Flask with Leather Sleeve for Whiskey Vodka Gifts for Men Groomsmen Gifts Travel Camping Outdoor Adventure 7 oz Set of 1
Viski$26.783.9★36 rev
Ragproper Glass Hip Flask for Men Modern Whiskey & Liquor Flask with Cork & Silicone Lid Liners Durable Silicone Covered Double Shot Flask Bottle (8oz 240ml Black)
Ragproper$33.434.6★1,204 rev
Tebery 15 Pack Glass Flask Liquor Bottle with Black Caps 12OZ Drink Bottles for Beer Milk Beverage Perfume Oil Sauce Whiskey Soda Liquid
Tebery$29.534.6★138 rev
Newest
by launch date
DUALIE 8 oz Hip Flask for Liquor - Shatterproof Alcohol Flasks with Clear Tritan Plastic and Silicone Grip - Flask Gift for Men & Women - Fog Gray
DUALIE$12.7983 rev
Rabbit Leak-Proof Discreet Flask 6.5oz Pocket-Friendly Shatterproof Tritan Alcohol Container with Wide Mouth & Tethered Cap Portable BPA-Free Travel Flask for Concerts & Festivals
Rabbit$12.3871 rev
Nevlers 8.5 Oz Flask Flip Top Glass Bottle 18 PK Hip Flask for Men & Women
Nevlers$42.56117 rev
Nevlers 8.5 Oz Glass Flask for Women & Men 8 Pack Hidden Flask for Men
Nevlers$28.70216 rev
Delove Modern Glass Hip Flask with Silicone Sleeve- Small Portable Travel Liquor Flask- Clear Pocket Drinking Alcohol Flask for Men&Women- Wedding Party Groomsman Bridesmaid Gift- 7.5oz/220ml Black
Delove$13.02520 rev
Trending
90-day click momentumDUALIE 8 oz Hip Flask for Liquor - Shatterproof Alcohol Flasks with Clear Tritan Plastic and Silicone Grip - Flask Gift for Men & Women - Fog Gray
DUALIE$12.794.6★
Rabbit Leak-Proof Discreet Flask 6.5oz Pocket-Friendly Shatterproof Tritan Alcohol Container with Wide Mouth & Tethered Cap Portable BPA-Free Travel Flask for Concerts & Festivals
Rabbit$12.384.4★
Ragproper Leather Glass Hip Flask for Men & Women Durable Whiskey & Liquor Flask Premium Authentic Leather Cover Ideal Glass Flask Double Shot 8oz (240ml) Dark Brown
Ragproper$60.214.8★
Nevlers 8.5 Oz Glass Flask for Women & Men 8 Pack Hidden Flask for Men
Nevlers$28.704.6★
eleganttime 8 Pack Pocket Glass Flasks 8.5 Oz Glass Vanilla Extract Bottles With Swing Top Flask for liquids whiskey liquor wine water Leak Proof
eleganttime$21.074.5★
What buyers say about glass flask
What buyers praise and complain about, mined from review topics.What buyers love
“Great product the glass is perfect”
“Doesn't leak”
“Product was a very nice size”
“Great design”
“Easy to clean”
“Great value”
“Works as advertised”
“Looks clean and easy to carry”
“Holds a good amount”
“Glass seems nice and thick”
What buyers complain about
“put it in your pocket it leaks”
“Flasks breaks easily”
“got a forest green for some reason which is disappointing”
“I would stay away its fairly expensive not worth it”
“Poor quality glass”
“Something obviously went wrong with the flask during the flight as when my bag arrived the sweet smell of bourbon wafted throughout my golf bag”
“it exploded/shattered in an hour”
“Not a very good design”
“I'm so upset as I never give homemade gifts”
“the glass itself is too fragile”
Top return reasons
Common questions
- Is glass flask profitable to sell on Amazon United States?
- The niche generates $39K/yr across 27 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is -2.0%. Flapen's verdict: Skip it (41/100).
- How competitive is the glass flask niche?
- 14 brands and 23 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 77% of demand.
- What do buyers complain about in glass flask?
- Top complaints mined from reviews: Leak-Proof, Durability, Color. The return rate is 2.7%.
- When does demand for glass flask peak?
- Demand peaks in Dec; the busiest month runs 1.7× the quietest.
- What does it cost to enter the glass flask niche?
- Listings span $9.39–$60.21; the average listing price is $26.22 (sweet spot $15–$100). The average incumbent carries 444 reviews — the moat a new listing must climb.