Stanley Quencher ProTour Flip Straw Tumbler 1.18L, Sea Glass Plume
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Built for everyday hydration, this 40oz Stanley Quencher ProTour Flip Straw Tumbler pairs double-wall vacuum insulation — keeping drinks cold for up to 11 hours, or iced for up to 2 days — with a rugged 18/8 stainless steel body. It's finished in a sea glass plume marbled finish.

A leakproof flip-straw lid locks the built-in straw in place for spill-free sipping, and the ergonomic carry handle makes it easy to take from desk to gym to car. The tapered base fits most standard cupholders.
All Stanley products sold on UMFA Limited are authentic, sourced through Authorized distributors.
Why You'll Love It
Cold for hours
Double-wall vacuum insulation keeps drinks cold for up to 11 hours and iced for up to 2 days.
Leakproof flip straw
Flip the straw down to seal the lid for spill-free carrying.
Cupholder friendly
The tapered base fits most standard car cupholders, and the handle makes it easy to carry.
Sea Glass Plume finish
Finished in a sea glass plume marbled finish.
How to Use
- Wash before first use.
- Fill with ice and your favourite drink.
- Flip the straw up to sip and down to seal.
- Hand wash to keep the finish looking its best.
Frequently Asked Questions
What capacity is it?
40oz (approx. 1.18L).
Is it leakproof?
Yes. With the straw flipped down, the lid is designed to be leakproof.
How should I clean it?
We recommend hand washing with warm soapy water to protect the finish.
Are your products authentic?
Yes. All Stanley products sold on UMFA Limited are authentic, sourced through Authorized distributors.