Owala FreeSip 40oz Insulated Tumbler with Dual-Sip Spout
Insulated Tumblers
#1 of 30
As of Jul 8, 2026 
🔥 #49 in Insulated Tumblers · New The viral 40oz flip-straw favorite
Stanley Quencher ProTour 40oz Flip-Straw Tumbler
STANLEY 4.4
#49
in Insulated Tumblers
$45 →
As of Jul 8, 2026
AI-estimated. See how we score. How we score Affiliate link — we may earn a commission
01 / Spec
Top features
Capacity40 oz
InsulationDouble-wall vacuum insulation
Material18/8 recycled stainless steel
The Stanley Quencher ProTour 40oz is a double-wall vacuum-insulated stainless-steel tumbler with a leakproof flip-straw lid and built-in handle. It keeps drinks ice-cold for hours, fits standard cup holders, and is made from recycled 18/8 stainless steel. The tumbler is dishwasher-safe and BPA-free, backed by a lifetime warranty. Best for commuters, gym-goers, and outdoor enthusiasts seeking all-day hydration with viral style and durability.
02 / Signals
Why it's hot
Viral 40oz tumbler with all-day ice retention and flip-straw convenience.
- Value for money 46
- Review rating & velocity 100
- Community sentiment 90
- Brand reputation 100
- Search heat 100
- Est. return & defect rate 86
03 / Verdict
Pros & cons
Pros
- All-day ice retention with double-wall insulation
- Leakproof flip-straw lid prevents spills
- Fits most car cup holders
- Durable recycled 18/8 stainless steel
- Lifetime warranty
- Trendy color options (Lichen, Prickly Pear, Agave)
Cons
- Premium pricing at $45 per tumbler
- Straw can collect mold or residue if not cleaned promptly
- Heavier than single-wall alternatives
- Flip lid design may wear over time with frequent use
Capacity40 oz
InsulationDouble-wall vacuum insulation
Material18/8 recycled stainless steel
Lid TypeLeakproof flip-straw with locking snap
Straw IncludedYes, built-in
Cold RetentionAll day (hours unspecified)
Cup Holder FitYes, standard cup holders
Dishwasher SafeYes
Bpa FreeYes
Weight1.81 lbs
Dimensions3.94" W × 10.79" H × 5.83" D
WarrantyLifetime
05 / Your take
How was Stanley Quencher ProTour 40oz Flip-Straw Tumbler?
Share your own experience to help other shoppers. Takes under a minute.
Thanks for your feedback!
Collected privately to sharpen our research — never published, and it doesn't affect rankings.
06 / Rivals
Compare with
07 / Variations
Other colors & sizes
Top pick
Stanley Quencher ProTour 14oz Flip Straw Tumbler
14 Ounces · Black Fade
#8 in Insulated Tumblers
Stanley Quencher ProTour 20oz Flip-Straw Tumbler
20 Ounces · Vivid Violet Fade
#17 in Insulated Tumblers
Stanley Quencher ProTour 40oz Flip-Straw Tumbler
40 Ounces · Frost Fade
#18 in Insulated Tumblers
Stanley Quencher ProTour 30oz Flip Straw Tumbler
30 Ounces · Black
#20 in Insulated Tumblers
Stanley Quencher ProTour 30oz Flip-Straw Tumbler in Azure Fade
30 Ounces · Azure Fade
#27 in Insulated Tumblers
Stanley Quencher ProTour 14oz Flip-Straw Tumbler
14 Ounces · Azure Fade
#28 in Insulated Tumblers
Stanley Quencher ProTour 30oz Flip-Straw Tumbler in Coastal Teal
#31 in Insulated Tumblers
Stanley Quencher ProTour 40oz Flip Straw Tumbler in Black
40 Ounces · Black
#33 in Insulated Tumblers
Stanley Quencher ProTour 40oz Tumbler – Vivid Violet Fade
40 Ounces · Vivid Violet Fade
#34 in Insulated Tumblers
Stanley Quencher ProTour 14oz Flip Straw Tumbler
14 Ounces · Vivid Violet Fade
#39 in Insulated Tumblers
Stanley Quencher ProTour 14oz Flip-Straw Tumbler (Frost Fade)
14 Ounces · Frost Fade
#41 in Insulated Tumblers
Stanley Quencher ProTour 30oz Tumbler in Rose Quartz
#43 in Insulated Tumblers
Stanley Quencher ProTour Flip Straw 40oz Tumbler in Rose Quartz
#45 in Insulated Tumblers
Stanley Quencher ProTour 40oz Flip-Straw Tumbler
#51 in Insulated Tumblers
Stanley Quencher ProTour 40oz Flip Straw Tumbler (Prickly Pear)
#52 in Insulated Tumblers
08 / Browse
More in Insulated Tumblers
Stanley Quencher H2.0 30oz Tumbler, Rose Quartz
Insulated Tumblers
#2 of 30
As of Jul 8, 2026 
Owala FreeSip Sway 30oz Insulated Tumbler
Insulated Tumblers
#3 of 30
As of Jul 8, 2026 Stanley Quencher ProTour 14oz Flip Straw Tumbler
Insulated Tumblers
#4 of 30
Stanley Quencher H2.0 40oz Tumbler — Black
Insulated Tumblers
#5 of 30
Owala FreeSip Sway 40oz Insulated Tumbler
Insulated Tumblers
#6 of 30
As of Jul 8, 2026 09 / Explore
