---
title: "Stanley 20 Oz Straw — $138K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/sports-outdoors/stanley-20-oz-straw"
last_updated: "2026-08-06T01:08:40.157Z"
locale: en
meta:
description: "Niche score 40/100 · $138K/yr market · 114K searches/yr · $16.56 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 40/100 · $138K/yr market · 114K searches/yr · $16.56 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Stanley 20 Oz Straw — $138K/yr Amazon US Niche (2026) - Flapen"
---
# **stanley 20 oz straw**
**Skip it**
A deep review moat (18,590 avg reviews) — this niche doesn't clear our bar today.
Market size 30Growth 21Conversion 76Competition 40Returns 54Price range 63Avg price 79Brand share 25Review moat 17Quality gap 28
**Avg price**
**Great****$16.56**
avg listing price — sweet spot $15–$100
**Conversion**
**Great****7.3%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Good****$3.96–$33.46**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Good****2.8%**
return rate — above 5% kills the launch gate
**Competition**
**Okay****61%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Okay****$138K**
$138K/yr · 114K searches
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Okay****90%**
top-5 brand share — brands hold most of the demand
**Growth**
**Bad****-7.0%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****18,590**
avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, stanley 20 oz straw is a $138K/yr Amazon United States market (114K searches/yr). The top 5 brands hold 90% of demand. Verdict: Skip it — 40/100.
Data updated Jul 26, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **stanley 20 oz straw market data**
- **Units sold / yr**
- **6K–8K**
- avg 250–500/product
- **Revenue / yr**
- **$99K–$132K**
- units × avg price
- **Conversion rate**
- **7.3%**
- **Avg BSR**
- **#219**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **53%**
- **Out of stock**
- **1.6%**
- **Avg brand age**
- **30 months**
- **Avg seller age**
- **131 days**
## **Competition & brand share**
The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**9 **▼falling
**Sellers**
**24**
**Top-5 brand share**
**90%**
Top 20: 100%
**Top-5 click share**
**61%**
Top 20: 100%
**Open market**
**7%**
- STANLEY65% - ALINK9% - KLOWOAH5% - GL-Auking5% - Bubrike5% - Snowfall3% - Open — no brand owns it (3 brands, 7%)
## **Demand & seasonality**
Weekly Amazon search volume, last 99 weeks — -7.0% search growth over the last 90 days.
3K2KSpike '25Prime Day '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/sports-outdoors/stanley-20-oz-straw/trend)
## **Top stanley 20 oz straw search terms**
- **stanley 20 oz flip straw**17K/yr+18.5%2.2% conv. - **stanley iceflow 20 oz**14K/yr-4.5%0.7% conv. - **stanley 20 oz straw**13K/yr-32.8%9.7% conv. - **stanley straw 20 oz**7K/yr+5.3%10.3% conv. - **20 oz stanley straw**8K/yr-0.7%10.5% conv. - **20oz stanley straw**5K/yr-6.2%11.9% conv. - **stanley ice flow 20 oz**10K/yr-39.7%0.8% conv. - **stanley flip straw 20 oz**6K/yr-15.0%1.2% conv. - **stanley straws 20 oz**5K/yr-9.0%11.2% conv. - **stanley flip straw tumbler 20 oz**4K/yr-4.6%0.9% conv. [**All search terms **](https://flapen.com/research/us/sports-outdoors/stanley-20-oz-straw/search-terms)
## **Top stanley 20 oz straw 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%$14K20%$28K30%$41K40%$55K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 19 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Stanley Quencher Tumbler Straws for 14 or 20 oz | Reusable Replacement Straws for Tumbler with Handle | Stainless Steel Drinking Cup Accessory | BPA-Free | No color**STANLEY**$9.17**4.8★8,137 rev](https://www.amazon.com/dp/B0BTMTW296) [2**STANLEY IceFlow 2.0 Flip Straw Tumbler with Handle 20 oz | Twist On Lid and Flip Up Straw | Leak Resistant Water Bottle | Insulated Stainless Steel | BPA-Free | Lilac**STANLEY**$27.81**4.7★202 rev](https://www.amazon.com/dp/B0DR9MQ76D) [3**STANLEY IceFlow 2.0 Flip Straw Tumbler with Handle 20 oz | Twist On Lid and Flip Up Straw | Leakproof Water Bottle | Insulated Stainless Steel | BPA-Free | Dark Blossom**STANLEY**$28.40**4.7★71,105 rev](https://www.amazon.com/dp/B0G9B8JTHM) [4**ALINK Clear Replacement Straws for Stanley 20oz 14oz Tumble 6 Pack Reusable Straws for Stanley Quencher 20oz 14oz Cups with Cleaning Brush Dishwasher Safe and BPA Free**ALINK**$5.93**4.7★1,771 rev](https://www.amazon.com/dp/B0DTFYV368) [5**Replacement Straw for Stanley Iceflow 20oz(Only) Reusable Clear Drinking Straw with Straw Cleaner Brush Compatible with Stanley IceFlow Flip 20oz Stainless Steel Tumbler**GL-Auking**$6.14**4.3★189 rev](https://www.amazon.com/dp/B0D9RJKMX1)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**STANLEY Quencher ProTour Flip Straw Tumbler with Leakproof Lid 20 oz | Built-In Straw & Handle | Cupholder Compatible for Travel | Insulated Stainless Steel Cup | BPA-Free | Sea Glass Aura**STANLEY**$26.73**18,711 rev3mo ago](https://www.amazon.com/dp/B0GNDF746L) [**STANLEY IceFlow 2.0 Flip Straw Tumbler with Handle 20 oz | Twist On Lid and Flip Up Straw | Leakproof Water Bottle | Insulated Stainless Steel | BPA-Free | Dark Blossom**STANLEY**$28.40**71,105 rev6mo ago](https://www.amazon.com/dp/B0G9B8JTHM) [**STANLEY Quencher ProTour Flip Straw Tumbler with Leakproof Lid 20 oz | Built-In Straw & Handle | Cupholder Compatible for Travel | Insulated Stainless Steel Cup | BPA-Free | Dark Blossom**STANLEY**$33.46**18,711 rev6mo ago](https://www.amazon.com/dp/B0G78P8CFW) [**KLOWOAH Replacement Straws Compatible With Stanley 20oz Quencher H2.0 Tumbler with Handle Tumbler with 1 Brush (6 Pack for 20oz)**KLOWOAH**$4.71**40 rev11mo ago](https://www.amazon.com/dp/B0FLY3JK9F) [**KLOWOAH Replacement Straws Compatible With Stanley 14oz Quencher H2.0 Tumbler with Handle Tumbler with 1 Brush (6 Pack for 14oz)**KLOWOAH**$4.84**40 rev11mo ago](https://www.amazon.com/dp/B0FLY1NG2K)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**STANLEY Quencher ProTour Flip Straw Tumbler with Leakproof Lid 20 oz | Built-In Straw & Handle | Cupholder Compatible for Travel | Insulated Stainless Steel Cup | BPA-Free | Sea Glass Aura**STANLEY**$26.73**4.7★**▲ 302%**](https://www.amazon.com/dp/B0GNDF746L) [**STANLEY IceFlow 2.0 Flip Straw Tumbler with Handle 20 oz | Twist On Lid and Flip Up Straw | Leakproof Water Bottle | Insulated Stainless Steel | BPA-Free | Dark Blossom**STANLEY**$28.40**4.7★**▲ 264%**](https://www.amazon.com/dp/B0G9B8JTHM) [**STANLEY Quencher ProTour Flip Straw Tumbler with Leakproof Lid 20 oz | Built-In Straw & Handle | Cupholder Compatible for Travel | Insulated Stainless Steel Cup | BPA-Free | Dark Blossom**STANLEY**$33.46**4.7★**▲ 248%**](https://www.amazon.com/dp/B0G78P8CFW) [**Straw Replacement For Stanley Cup 14 oz & 20 oz Tumblers Clear Reusable Straws For STANLEY Quencher H2.0 Straw Lid Tumblers Also Fit Other Brands 12 oz-20oz Tumbler Cups Hard Plastic BPA Free 4 pack**Snowfall**$7.75**4.7★**▲ 90%**](https://www.amazon.com/dp/B0CT4PK65W) [**STANLEY Quencher ProTour Flip Straw Tumbler with Leakproof Lid 20 oz | Built-In Straw and Handle | Cup Holder Compatible for Travel | Insulated Stainless Steel Cup | BPA-Free | Frost Fade**STANLEY**$22.44**4.7★**▲ 77%**](https://www.amazon.com/dp/B0DCDYSK19)
**~~View all trending →~~**
## **What buyers say about stanley 20 oz straw**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**18%
*“Great made product”*
**Size-Overall**17%
*“Fit well”*
**Color**10%
*“Happy with the color”*
**Leak-Proof**9%
*“Does not leak”*
**Durability**7%
*“Durable and sturdy”*
**Advertised Vs Actual Product**6%
*“The cup is as advertised”*
**Value For Money**4%
*“Great little cup for a good price”*
**Handle Quality**4%
*“great easy to hold handle”*
**Ease Of Cleaning**3%
*“Easy to clean”*
**Strength**3%
*“sturdy overall a good buy”*
### **What buyers complain about **
**Size-Overall**33%
*“Way short”*
**Quality-Overall**12%
*“Cheap”*
**Advertised Vs Actual Product**8%
*“The picture was very deceiving”*
**Durability**7%
*“Most of these broke within months of use”*
**Ease Of Use**5%
*“Too hard to open”*
**Leak-Proof**5%
*“NOT leak proof”*
**Color**4%
*“just sorry the colour was disappointing to her”*
**Heating**3%
*“Ice does not stay cold and cold”*
**Material Quality**3%
*“Feels like very cheap plastic not like the straw that came with it”*
**Thickness**3%
*“Too thin”*
### **Top return reasons **
**Size-Overall**59%
**Color**8%
**Ease Of Use**7%
**Advertised Vs Actual Product**5%
**Value For Money**3%
**Functionality-Overall**2%
**Leak-Proof**2%
**Weight Heavy**2%
**Product Condition**2%
**Defective Material/Parts**2%
## **Common questions**
- **Is stanley 20 oz straw profitable to sell on Amazon United States?**
- The niche generates $138K/yr across 19 tracked products. 3 of 5 products launched in the last 360 days are still selling. 90-day search growth is -7.0%. Flapen's verdict: Skip it (40/100).
- **How competitive is the stanley 20 oz straw niche?**
- 9 brands and 24 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 90% of demand.
- **What do buyers complain about in stanley 20 oz straw?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Advertised Vs Actual Product. The return rate is 2.8%.
- **When does demand for stanley 20 oz straw peak?**
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- **What does it cost to enter the stanley 20 oz straw niche?**
- Listings span $3.96–$33.46; the average listing price is $16.56 (sweet spot $15–$100). The average incumbent carries 18,590 reviews — the moat a new listing must climb.
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