---
title: "Plastic Flask — $595K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/home-kitchen/plastic-flask"
last_updated: "2026-08-10T10:08:28.359Z"
locale: en
meta:
description: "Niche score 52/100 · $595K/yr market · 568K searches/yr. Prices mostly outside the sweet spot ($5.89–$17.63) keeps it on the watch list. Data updated Aug 2026."
"og:description": "Niche score 52/100 · $595K/yr market · 568K searches/yr. Prices mostly outside the sweet spot ($5.89–$17.63) keeps it on the watch list. Data updated Aug 2026."
"og:title": "Plastic Flask — $595K/yr Amazon US Niche (2026) - Flapen"
---
# **plastic flask**
**Worth a look**
Shows searches that convert (10.6% search→purchase), but prices mostly outside the sweet spot ($5.89–$17.63) keeps it on the watch list.
Market size 64Growth 33Conversion 89Competition 38Returns 73Price range 22Avg price 33Brand share 59Review moat 67Quality gap 33
**Conversion**
**Great****10.6%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Good****2.1%**
return rate — above 5% kills the launch gate
**Review moat**
**Good****816.45**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Good****$595K**
$595K/yr · 568K searches
**Brand share**
**Good****70%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****62%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Okay****+6.7%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Okay****$9.91**
avg listing price — sweet spot $15–$100
**Price range**
**Bad****$5.89–$17.63**
cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, plastic flask is a $595K/yr Amazon United States market (568K searches/yr). The top 5 brands hold 70% of demand. Demand peaks in Apr–May. Verdict: Worth a look — 52/100.
Data updated Aug 6, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **plastic flask market data**
- **Units sold / yr**
- **50K–60K**
- avg 2,000–2,500/product
- **Revenue / yr**
- **$496K–$595K**
- units × avg price
- **Conversion rate**
- **10.6%**
- **Avg BSR**
- **#34**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **55%**
- **Out of stock**
- **1.0%**
- **Avg brand age**
- **44 months**
- **Avg seller age**
- **163 days**
## **Competition & brand share**
The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**17 **▲rising
**Sellers**
**20**
**Top-5 brand share**
**70%**
Top 20: 100%
**Top-5 click share**
**62%**
Top 20: 98%
**Open market**
**24%**
- Keon23% - OHMAXHO16% - PECULA13% - ZPLYYDS11% - DUALIE8% - GoPong6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +6.7% search growth over the last 90 days.
18K13KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May · busiest ÷ quietest = 1.9×
[**Open Trend **](https://flapen.com/research/us/home-kitchen/plastic-flask/trend)
## **Top plastic flask search terms**
- **plastic flask**231K/yr+4.3%7.7% conv. - **plastic flask for liquor**70K/yr+15.3%6.5% conv. - **alcohol pouches**41K/yr+8.1%10.1% conv. - **liquor pouches**35K/yr+52.5%4.1% conv. - **plastic flasks**41K/yr-10.9%8.8% conv. - **alcohol bags for liquor hidden**14K/yr+10.7%6.2% conv. - **liquid pouches**11K/yr+14.0%7.0% conv. - **disposable flask**15K/yr+7.3%8.8% conv. - **plastic pouches for drinks**12K/yr+22.0%5.8% conv. - **alcohol pouches for liquor for hiding**11K/yr-5.0%8.2% conv. [**All search terms **](https://flapen.com/research/us/home-kitchen/plastic-flask/search-terms)
## **Top plastic 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%10%$60K20%$119K30%$179K40%$238K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 22 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Keon Plastic Pouches - Leak-Proof Reusable Flexible Juice Bags BPA-Free for Travel Outdoor Sports Concerts Events (8OZ - 10PCS + 2 Funnels)**Keon**$8.23**4.6★1,549 rev](https://www.amazon.com/dp/B09SGDX4KR) [2**24 Pcs Plastic Flasks 8 Oz Concealable and Reusable Drink Pouches Leak-Proof Food Grade Plastic for Travel (8OZ-24PCS +3 Funnels)**PECULA**$7.60**4.7★1,498 rev](https://www.amazon.com/dp/B09HGDPR58) [3**Plastic Flasks 40 PCS - Leak-Proof Reusable Flexible Juice Bags BPA-Free for Travel Outdoor Sports Concerts Events (8OZ - 40PCS + 3 Funnels)**ZPLYYDS**$10.39**4.8★49 rev](https://www.amazon.com/dp/B0GL94G7B8) [4**OHMAXHO Plastic Flasks - Reusable Leak-Proof for Travel Outdoor Sport Running enthusiasts Concerts Events(8OZ-16OZ-32OZ 16PCS)**OHMAXHO**$8.84**4.6★913 rev](https://www.amazon.com/dp/B0CKT9N7X9) [5**OHMAXHO Alcohol Pouches for Liquor Reusable Drink Pouches for Adults Alcohol Drinking Flasks Concealable Plastic Liquor Bags with Funnel Plastic Travel Flasks (8OZ4 + 16OZ4)**OHMAXHO**$6.15**4.6★913 rev](https://www.amazon.com/dp/B09QJZD968)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Plastic Flasks 40 PCS - Leak-Proof Reusable Flexible Juice Bags BPA-Free for Travel Outdoor Sports Concerts Events (8OZ - 40PCS + 3 Funnels)**ZPLYYDS**$10.39**49 rev6mo ago](https://www.amazon.com/dp/B0GL94G7B8) [**JueLanvie 20 Pcs Reusable Plastic Flasks for Liquid 8 Oz Drink Pouches Collapsible Portable containers for Concerts & Festivals Hot & Freezer Safe BPA-Free Food-Grade 8oz with Funnels**JueLanvie**$6.88**113 rev7mo ago](https://www.amazon.com/dp/B0GCDRVCMH) [**DUALIE 8 oz Hip Flask for Liquor - Shatterproof Alcohol Flasks with Clear Tritan Plastic and Silicone Grip - Flask Gift for Men & Women - Navy**DUALIE**$12.67**83 rev8mo ago](https://www.amazon.com/dp/B0G32HJQLG) [**DUALIE 6 oz Hip Flask for Liquor - Shatterproof Alcohol Flasks with Clear Tritan Plastic and Silicone Grip - Flask Gift for Men & Women - Seafoam**DUALIE**$11.79**73 rev8mo ago](https://www.amazon.com/dp/B0G32LQQVJ) [**DUALIE 8 oz Hip Flask for Liquor - Shatterproof Alcohol Flasks with Clear Tritan Plastic and Silicone Grip - Flask Gift for Men & Women - Black**DUALIE**$12.76**83 rev8mo ago](https://www.amazon.com/dp/B0G331R4BM)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Plastic Flasks 40 PCS - Leak-Proof Reusable Flexible Juice Bags BPA-Free for Travel Outdoor Sports Concerts Events (8OZ - 40PCS + 3 Funnels)**ZPLYYDS**$10.39**4.8★**▲ 197%**](https://www.amazon.com/dp/B0GL94G7B8) [**DUALIE 8 oz Hip Flask for Liquor - Shatterproof Alcohol Flasks with Clear Tritan Plastic and Silicone Grip - Flask Gift for Men & Women - Navy**DUALIE**$12.67**4.6★**▲ 175%**](https://www.amazon.com/dp/B0G32HJQLG) [**JueLanvie 20 Pcs Reusable Plastic Flasks for Liquid 8 Oz Drink Pouches Collapsible Portable containers for Concerts & Festivals Hot & Freezer Safe BPA-Free Food-Grade 8oz with Funnels**JueLanvie**$6.88**4.6★**▲ 99%**](https://www.amazon.com/dp/B0GCDRVCMH) [**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★**▲ 88%**](https://www.amazon.com/dp/B0FPGSXDW4) [**DUALIE 6 oz Hip Flask for Liquor - Shatterproof Alcohol Flasks with Clear Tritan Plastic and Silicone Grip - Flask Gift for Men & Women - Seafoam**DUALIE**$11.79**4.6★**▲ 78%**](https://www.amazon.com/dp/B0G32LQQVJ)
**~~View all trending →~~**
## **What buyers say about plastic flask**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Leak-Proof**29%
*“Didn't Leak”*
**Advertised Vs Actual Product**10%
*“Just as described”*
**Quality-Overall**9%
*“These are the perfect concealment”*
**Value For Money**8%
*“Excellent value”*
**Ease Of Use**7%
*“As simple as it gets”*
**Efficiency**5%
*“does the job”*
**Durability**4%
*“Good durability”*
**Portability**4%
*“easy to carry around”*
**Size-Overall**3%
*“Perfect size to carry in your pocket”*
**Ease Of Cleaning**2%
*“*While disposable, these are easily cleaned by hot, sudsy water”*
### **What buyers complain about **
**Leak-Proof**36%
*“leaked all over”*
**Size-Overall**21%
*“The size is a little smaller than what the product pictures might suggest”*
**Quality-Overall**8%
*“Low quality”*
**Material Quality**4%
*“Material is very flimsy”*
**Ease Of Use**4%
*“Super hard to fill”*
**Durability**3%
*“Durability might be an issue”*
**Recycle/Reuse**2%
*“Not reusable like description says”*
**Product Condition**2%
*“Product was used”*
**Thin**2%
*“Very thin”*
**Strength**2%
*“feels as flimsy as a water balloon like it could pop with any pressure, not steady”*
### **Top return reasons **
**Size-Overall**51%
**Leak-Proof**13%
**Value For Money**10%
**Advertised Vs Actual Product**6%
**Material Quality**4%
**Quality-Overall**4%
**Thin**3%
**Functionality-Overall**3%
**Product Condition**1%
**Strength**0%
## **Common questions**
- **Is plastic flask profitable to sell on Amazon United States?**
- The niche generates $595K/yr across 22 tracked products. 6 of 9 products launched in the last 360 days are still selling. 90-day search growth is +6.7%. Flapen's verdict: Worth a look (52/100).
- **How competitive is the plastic flask niche?**
- 17 brands and 20 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 70% of demand.
- **What do buyers complain about in plastic flask?**
- Top complaints mined from reviews: Leak-Proof, Size-Overall, Quality-Overall. The return rate is 2.1%.
- **When does demand for plastic flask peak?**
- Demand peaks in Apr–May; the busiest month runs 1.9× the quietest.
- **What does it cost to enter the plastic flask niche?**
- Listings span $5.89–$17.63; the average listing price is $9.91 (sweet spot $15–$100). The average incumbent carries 816 reviews — the moat a new listing must climb.
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