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.

SPECS

Weight: 0.6 lb.
Dimensions: 5L x 3.6W x 1.4H in
Master Series
Leak Proof
Dishwasher Safe
1.0mm 18/8 Stainless Steel
Wide mouth opening
Machined steel cap
BPA-free

HOW TO DEEP-CLEAN YOUR MASTER FLASK:

You’ll need:

¼ cup uncooked rice
3oz distilled white vinegar

Instructions:

Pour ¼ cup of uncooked rice into flask.
Fill flask with 3oz of distilled white vinegar
Seal flask.
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.

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Master Unbreakable Hip Flask | 8 OZ | Hammertone Green

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