---
title: "Stanley Flask — £150K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/stanley-flask"
last_updated: "2026-07-31T12:05:03.699Z"
locale: en
meta:
  description: "Niche score 40/100 · £150K/yr market · 269K searches/yr · £28.64 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 40/100 · £150K/yr market · 269K searches/yr · £28.64 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Stanley Flask — £150K/yr Amazon UK Niche (2026) - Flapen"
---

# **stanley flask**

**Skip it**

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 32Growth 15Conversion 24Competition 59Returns 76Price range 95Avg price 95Brand share 0Review moat 20Quality gap 33

**Avg price**

**Incredible****£28.64**

avg listing price — sweet spot $15–$100

**Price range**

**Incredible****£15.37–£48.30**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Returns**

**Great****1.9%**

return rate — above 5% kills the launch gate

**Competition**

**Good****50%**

top-5 click share — leaders hold, buyers still browse

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Market size**

**Okay****£150K**

£150K/yr · 269K searches

**Conversion**

**Bad****1.9%**

search→purchase rate — share of searches ending in a sale

**Review moat**

**Bad****12,675.72**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Bad****-19.7%**

90-day search growth — must beat 0% to launch

**Brand share**

**Bad****100%**

top-5 brand share — brand-locked demand

According to Flapen's Amazon United Kingdom niche tracking, stanley flask is a £150K/yr Amazon United Kingdom market (269K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 40/100.

Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **stanley flask market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**6K–8K**</dd><dd>avg 100–250/product</dd>

<dt>**Revenue / yr**</dt><dd>**£172K–£229K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**1.9%**</dd>

<dt>**Avg BSR**</dt><dd>**#461**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**68%**</dd>

<dt>**Out of stock**</dt><dd>**3.3%**</dd>

<dt>**Avg brand age**</dt><dd>**51 months**</dd>

<dt>**Avg seller age**</dt><dd>**167 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**2 **—flat

**Sellers**

**125**

**Top-5 brand share**

**100%**

Top 20: 100%

**Top-5 click share**

**50%**

Top 20: 95%

**Open market**

**0%**

- STANLEY95% - Thermos5%

## **Demand**

Weekly Amazon search volume, last 40 weeks — -19.7% search growth over the last 90 days.

13K8KBlack Friday '25Holiday '25Spike '26Oct '25Nov '25Jan '26Feb '26Apr '26May '26Jun '26

[**Open Trend **](https://flapen.com/research/uk/home-garden/stanley-flask/trend)

## **Top stanley flask search terms**

- **stanley flask**194K/yr-21.5%2.0% conv. - **stanley thermos**25K/yr-12.1%1.5% conv. - **stanley thermos flask**14K/yr-22.4%2.4% conv. - **stanley flask hot drinks**17K/yr-25.9%2.5% conv. - **flask stanley**7K/yr-4.8%1.5% conv. - **stanley flasks**6K/yr+2.2%1.7% conv. - **stanley flask 1l**5K/yr-16.3%3.3% conv. [**All search terms **](https://flapen.com/research/uk/home-garden/stanley-flask/search-terms)

## **Top stanley 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%4%£6K8%£12K12%£18K16%£24K101001K10K100K 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![Stanley 1913 Classic Legendary Thermal Flask 1L - Keeps 24 Hours Hot Or Cold - Stainless Steel Insulated Bottle - BPA-Free - Dishwasher Safe - Leakproof Lid Serves As A Cup - Hammertone Green](https://m.media-amazon.com/images/I/21zcaPjjiSL.jpg)**Stanley 1913 Classic Legendary Thermal Flask 1L - Keeps 24 Hours Hot Or Cold - Stainless Steel Insulated Bottle - BPA-Free - Dishwasher Safe - Leakproof Lid Serves As A Cup - Hammertone Green**STANLEY**£30.79**4.6★22,079 rev](https://www.amazon.co.uk/dp/B000T21JFE) [2![Stanley 1913 Classic Legendary Thermal Flask 1.9L - Keeps 32 Hours Hot Or Cold - Stainless Steel Insulated Bottle - BPA-Free - Dishwasher Safe - Leakproof Lid Serves As A Cup - Hammertone Green](https://m.media-amazon.com/images/I/31UbukzsoVL.jpg)**Stanley 1913 Classic Legendary Thermal Flask 1.9L - Keeps 32 Hours Hot Or Cold - Stainless Steel Insulated Bottle - BPA-Free - Dishwasher Safe - Leakproof Lid Serves As A Cup - Hammertone Green**STANLEY**£37.66**4.6★22,079 rev](https://www.amazon.co.uk/dp/B001EN21BS) [3![Stanley 1913 Classic Legendary Thermal Flask 1.0L - Hammertone Green](https://m.media-amazon.com/images/I/31xSjPtHiNL.jpg)**Stanley 1913 Classic Legendary Thermal Flask 1.0L - Hammertone Green**STANLEY**£30.41**4.7★3,093 rev](https://www.amazon.co.uk/dp/B07P1T5H5L) [4![Stanley 1913 Classic Legendary Thermal Flask 1.4L - Hammertone Green](https://m.media-amazon.com/images/I/314L1gCVfLL.jpg)**Stanley 1913 Classic Legendary Thermal Flask 1.4L - Hammertone Green**STANLEY**£33.78**4.6★5,094 rev](https://www.amazon.co.uk/dp/B07PBLKXYV) [5![Stanley 1913 Classic Legendary Thermal Flask 0.75L - Plum](https://m.media-amazon.com/images/I/316gU03RAdL.jpg)**Stanley 1913 Classic Legendary Thermal Flask 0.75L - Plum**STANLEY**£25.32**4.1★59 rev](https://www.amazon.co.uk/dp/B0DV9PJH88)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Stanley 1913 Adventure to-Go Thermal Flask 0.75L - Frost](https://m.media-amazon.com/images/I/21IIlxQeqxL.jpg)**Stanley 1913 Adventure to-Go Thermal Flask 0.75L - Frost**STANLEY**£21.57**57 rev11mo ago](https://www.amazon.co.uk/dp/B0FL28VYCC) [![Stanley 1913 Aerolight Transit Travel Mug 0.47L - Rose Quartz](https://m.media-amazon.com/images/I/21CgVqRoPaL.jpg)**Stanley 1913 Aerolight Transit Travel Mug 0.47L - Rose Quartz**STANLEY**£27.63**6,531 rev1y ago](https://www.amazon.co.uk/dp/B0F7RV2Y29) [![Stanley 1913 Aerolight Transit Travel Mug 0.35L - Keeps 4 Hours Hot - 6 Hours Cold - Dishwasher Safe - Leakproof - Car Cup Holder Compatible - Insulated Coffee Cup - Hammertone Green](https://m.media-amazon.com/images/I/21hbAJ9UaXL.jpg)**Stanley 1913 Aerolight Transit Travel Mug 0.35L - Keeps 4 Hours Hot - 6 Hours Cold - Dishwasher Safe - Leakproof - Car Cup Holder Compatible - Insulated Coffee Cup - Hammertone Green**STANLEY**£25.53**6,531 rev1y ago](https://www.amazon.co.uk/dp/B0DWNB3M1K) [![Stanley 1913 Classic Legendary Thermal Flask 1.4L - Hammertone Lake](https://m.media-amazon.com/images/I/31yFW4OKJwL.jpg)**Stanley 1913 Classic Legendary Thermal Flask 1.4L - Hammertone Lake**STANLEY**£31.58**24,808 rev1y ago](https://www.amazon.co.uk/dp/B0DSLQZT8F) [![Stanley 1913 Classic Legendary Thermal Flask 0.75L - Plum](https://m.media-amazon.com/images/I/316gU03RAdL.jpg)**Stanley 1913 Classic Legendary Thermal Flask 0.75L - Plum**STANLEY**£25.32**59 rev1y ago](https://www.amazon.co.uk/dp/B0DV9PJH88)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Stanley 1913 Adventure to-Go Thermal Flask 0.75L - Frost](https://m.media-amazon.com/images/I/21IIlxQeqxL.jpg)**Stanley 1913 Adventure to-Go Thermal Flask 0.75L - Frost**STANLEY**£21.57**4.1★**▲ 364%**](https://www.amazon.co.uk/dp/B0FL28VYCC) [![Stanley 1913 Classic Legendary Thermal Flask 2.3L - Hammertone Green](https://m.media-amazon.com/images/I/21RlB+IN4fL.jpg)**Stanley 1913 Classic Legendary Thermal Flask 2.3L - Hammertone Green**STANLEY**£48.30**4.6★**▲ 353%**](https://www.amazon.co.uk/dp/B0BKLPF6FX) [![Stanley 1913 Classic Legendary Thermal Flask 0.75L - Plum](https://m.media-amazon.com/images/I/316gU03RAdL.jpg)**Stanley 1913 Classic Legendary Thermal Flask 0.75L - Plum**STANLEY**£25.32**4.1★**▲ 308%**](https://www.amazon.co.uk/dp/B0DV9PJH88) [![Stanley 1913 Aerolight Transit Travel Mug 0.47L - Rose Quartz](https://m.media-amazon.com/images/I/21CgVqRoPaL.jpg)**Stanley 1913 Aerolight Transit Travel Mug 0.47L - Rose Quartz**STANLEY**£27.63**4.6★**▲ 269%**](https://www.amazon.co.uk/dp/B0F7RV2Y29) [![STANLEY 1913 Quencher H2.0 Flowstate Tumbler 1.2L - Cold for 11 Hours - Iced for 48 Hours - Metal Water Bottle with Straw Handle and Lid - Dishwasher Safe - Travel Mug for Cold Drinks - Rose Quartz](https://m.media-amazon.com/images/I/21u9vrxMPDL.jpg)**STANLEY 1913 Quencher H2.0 Flowstate Tumbler 1.2L - Cold for 11 Hours - Iced for 48 Hours - Metal Water Bottle with Straw Handle and Lid - Dishwasher Safe - Travel Mug for Cold Drinks - Rose Quartz**STANLEY**£35.29**4.5★**▲ 129%**](https://www.amazon.co.uk/dp/B0CNTWY3VM)

**~~View all trending →~~**

## **What buyers say about stanley flask**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Quality-Overall**21%

*“Amazing quality”*

**Value For Money**10%

*“Good value for money”*

**Heating**9%

*“Excellent heat retention and build quality,”*

**Leak-Proof**7%

*“no leak”*

**Warmth**7%

*“Keeps everything beautifully hot”*

**Size-Overall**6%

*“Perfect size”*

**Advertised Vs Actual Product**5%

*“Just what I wanted”*

**Durability**4%

*“durable”*

**Temperature Retention**4%

*“This kept boiling water warm for us for over 24h”*

**Temperature Control**3%

*“Great thermos”*

### **What buyers complain about **

**Heating**19%

*“The entire unit heats up”*

**Value For Money**11%

*“not cheap”*

**Durability**10%

*“Failed within 11 months after less than a dozen outings”*

**Size-Overall**6%

*“But needed a larger”*

**Leak-Proof**5%

*“Cap don't fit to good had a couple of leaks”*

**Quality-Overall**5%

*“Utterly rubbish in every way”*

**Rusts/Corrodes**3%

*“It rusted on the inside”*

**Washability**3%

*“Even the bottom of the bottle says hand-wash only”*

**Advertised Vs Actual Product**3%

*“Not as described”*

**Grip**2%

*“it slides”*

### **Top return reasons **

**Size-Overall**57%

**Leak-Proof**6%

**Color**5%

**Weight Heavy**4%

**Heating**4%

**Defective Material/Parts**2%

**Scratch Resistance**2%

**Ease Of Use**2%

**Handle Quality**2%

**Suitability Hot Weather**2%

## **Common questions**

<dl>

<dt>**Is stanley flask profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £150K/yr across 25 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -19.7%. Flapen's verdict: Skip it (40/100).</dd>

<dt>**How competitive is the stanley flask niche?**</dt><dd>2 brands and 125 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 100% of demand.</dd>

<dt>**What do buyers complain about in stanley flask?**</dt><dd>Top complaints mined from reviews: Heating, Value For Money, Durability. The return rate is 1.9%.</dd>

<dt>**What does it cost to enter the stanley flask niche?**</dt><dd>Listings span £15.37–£48.30; the average listing price is £28.64 (sweet spot $15–$100). The average incumbent carries 12,676 reviews — the moat a new listing must climb.</dd>

</dl>

## **Related niches in Home & Garden**

- 79 [**mole repellent**](https://flapen.com/research/uk/home-garden/mole-repellent)£163K/yr+91.4%**Worth a look**- 80 [**sun lounger**](https://flapen.com/research/uk/home-garden/sun-lounger)£2.5M/yr+299.9%**Launch it**- 80 [**fly repellent fan**](https://flapen.com/research/uk/home-garden/fly-repellent-fan)£302K/yr>1,000%**Worth a look**- 80 [**ice maker**](https://flapen.com/research/uk/home-garden/ice-maker)£2.9M/yr+371.4%**Launch it**- 80 [**parasol base**](https://flapen.com/research/uk/home-garden/parasol-base)£1.1M/yr+904.4%**Launch it**- 80 [**air conditioner**](https://flapen.com/research/uk/home-garden/air-conditioner)£39.3M/yr>1,000%**Launch it**[**All Home & Garden niches **](https://flapen.com/research/uk/home-garden)