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Engineered with cold-rolled steel and finished in the perfect Foundry black powdercoat. The ergonomic shape also slides easily in your hip pocket for anywhere adventuring. Internal threads on the cap make for smoother sipping or swigging, and the wide mouth allows for easy refills.
1.0mm 18/8 Stainless Steel
Wide mouth opening
Machined steel cap
Color: Hammertone Green
Dimensions: 5L x 3.6W x 1.4H inch
How to deep clean your master flask:
Pour ¼ cup of uncooked rice into flask.
Fill flask with 3oz of distilled white vinegar
Shake vigorously for 1 minute.
Let sit for 5-10 minutes. *
Shake vigorously again for 1-2 minutes.
Empty flask. Bonus points for composting the rice.
Rinse thoroughly with warm water.
Leave open until dry.
*Do not soak for extended period of time. A vinegar soak will eventually corrode stainless steel.
Built For Life (Lifetime Warranty)
"Our products do what we say they do or we replace them. We guarantee it" - Stanley
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If you are not satisfied with the product you received or you changed your mind, please return the product for a full refund. Return only accepted for product that is not used and in its original packaging.
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