---
title: "Glass Flask — $39K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/home-kitchen/glass-flask"
last_updated: "2026-08-10T21:44:36.692Z"
locale: en
meta:
description: "Niche score 41/100 · $39K/yr market · 88K searches/yr · $26.22 avg price. Doesn't clear our bar today. Data updated Aug 2026."
"og:description": "Niche score 41/100 · $39K/yr market · 88K searches/yr · $26.22 avg price. Doesn't clear our bar today. Data updated Aug 2026."
"og:title": "Glass Flask — $39K/yr Amazon US Niche (2026) - Flapen"
---
# **glass flask**
**Skip it**
A small market ($39K/yr) — this niche doesn't clear our bar today.
Market size 10Growth 24Conversion 21Competition 47Returns 57Price range 86Avg price 95Brand share 46Review moat 78Quality gap 33
**Avg price**
**Incredible****$26.22**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$9.39–$60.21**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Great****444.33**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Good****2.7%**
return rate — above 5% kills the launch gate
**Competition**
**Okay****57%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****77%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-2.0%**
90-day search growth — must beat 0% to launch
**Conversion**
**Bad****1.7%**
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 ~~](https://flapen.com/research/methodology)
## **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.
3K2KSpike '24Holiday '25 seasonSepDecMarJunAugNovMarMay
Peak months: Dec · busiest ÷ quietest = 1.7×
[**Open Trend **](https://flapen.com/research/us/home-kitchen/glass-flask/trend)
## **Top glass flask search terms**
- **glass flask**56K/yr-0.7%1.3% conv. - **glass flask for liquor**16K/yr-15.7%1.6% conv. - **glass flasks**5K/yr+20.2%0.9% conv. - **glass flask bottle**5K/yr+1.5%1.0% conv. - **flask glass**4K/yr+9.5%1.5% conv. - **ragproper flask**4K/yr+0.5%2.4% conv. [**All search terms **](https://flapen.com/research/us/home-kitchen/glass-flask/search-terms)
## **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.
0%5%$2K10%$4K15%$6K20%$8K101001K10K 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**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**$27.17**4.6★1,204 rev](https://www.amazon.com/dp/B08KHTQD3V) [2**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**$13.02**4.4★520 rev](https://www.amazon.com/dp/B0CSNH54C9) [3**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**$26.78**3.9★36 rev](https://www.amazon.com/dp/B0C6NKQFQM) [4**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**$33.43**4.6★1,204 rev](https://www.amazon.com/dp/B08LV3Y751) [5**Tebery 15 Pack Glass Flask Liquor Bottle with Black Caps 12OZ Drink Bottles for Beer Milk Beverage Perfume Oil Sauce Whiskey Soda Liquid**Tebery**$29.53**4.6★138 rev](https://www.amazon.com/dp/B0B8765L3N)
**~~View all top sellers →~~**
### **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**$12.79**83 rev8mo ago](https://www.amazon.com/dp/B0G32Q5TD3) [**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**$12.38**71 rev11mo ago](https://www.amazon.com/dp/B0FPGSXDW4) [**Nevlers 8.5 Oz Flask Flip Top Glass Bottle 18 PK Hip Flask for Men & Women**Nevlers**$42.56**117 rev1y ago](https://www.amazon.com/dp/B0DVBM49MD) [**Nevlers 8.5 Oz Glass Flask for Women & Men 8 Pack Hidden Flask for Men**Nevlers**$28.70**216 rev2y ago](https://www.amazon.com/dp/B0CYCQ57SJ) [**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**$13.02**520 rev2y ago](https://www.amazon.com/dp/B0CSNH54C9)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**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**$12.79**4.6★**▲ 334%**](https://www.amazon.com/dp/B0G32Q5TD3) [**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**$12.38**4.4★**▲ 309%**](https://www.amazon.com/dp/B0FPGSXDW4) [**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**$60.21**4.8★**▲ 98%**](https://www.amazon.com/dp/B08LV4KS14) [**Nevlers 8.5 Oz Glass Flask for Women & Men 8 Pack Hidden Flask for Men**Nevlers**$28.70**4.6★**▲ 45%**](https://www.amazon.com/dp/B0CYCQ57SJ) [**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**$21.07**4.5★**▲ 39%**](https://www.amazon.com/dp/B09SLMLN69)
**~~View all trending →~~**
## **What buyers say about glass flask**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**23%
*“Great product the glass is perfect”*
**Leak-Proof**16%
*“Doesn't leak”*
**Size-Overall**9%
*“Product was a very nice size”*
**Design-Overall**8%
*“Great design”*
**Ease Of Cleaning**6%
*“Easy to clean”*
**Value For Money**6%
*“Great value”*
**Advertised Vs Actual Product**5%
*“Works as advertised”*
**Portability**3%
*“Looks clean and easy to carry”*
**Storage Capacity**3%
*“Holds a good amount”*
**Thickness**2%
*“Glass seems nice and thick”*
### **What buyers complain about **
**Leak-Proof**26%
*“put it in your pocket it leaks”*
**Durability**10%
*“Flasks breaks easily”*
**Color**8%
*“got a forest green for some reason which is disappointing”*
**Value For Money**8%
*“I would stay away its fairly expensive not worth it”*
**Quality-Overall**7%
*“Poor quality glass”*
**Smell**4%
*“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”*
**Flammable**4%
*“it exploded/shattered in an hour”*
**Design-Overall**4%
*“Not a very good design”*
**Gifting Purpose**4%
*“I'm so upset as I never give homemade gifts”*
**Strength**3%
*“the glass itself is too fragile”*
### **Top return reasons **
**Size-Overall**44%
**Weight Heavy**13%
**Leak-Proof**11%
**Advertised Vs Actual Product**6%
**Quality-Overall**5%
**Value For Money**3%
**Color**2%
**Material Quality**2%
**Product Condition**2%
**Ease Of Cleaning**1%
## **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.
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