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21OSM Hydro Flask 21 Ounce Standard Mouth

This 21 oz is the perfect go-anywhere companion on your busiest days. It stashes easily in a small shoulder bag, your pack’s side pocket or your car cup holder, and holds enough to keep you going for hours without weighing you down.

• Easy to Transport
• Versatile, middle-of-the-road size
• TempShield Protected
• Keeps cold up to 24 hours
• Keeps hot up to 6 hours
• 18/8 Pro Grade Stainless Steel
• BPA-Free and Phthalate-Free
• Durable, sweat-free powder coat finish
• Lifetime Warranty
• Compatible with Standard Loop Cap and Sport Cap

Product Care

• Hand wash your flask and cap with hot, soapy water. Rinse the flask as well as the cap, and it's ready for adventure.

You Shouldn't:

• Put your flask through the dishwasher or soak the exterior in hot water. Doing so can cause discoloration to the exterior.
• Put the flask on the stove. This could cause damage to the exterior.
• Soak or put the Flex Cap, Wide Flat Cap, Stainless Steel Flat Cap or Loop Caps through the dishwasher.

You Should:

• Wash your flask with a bottle brush.
• Use white distilled vinegar for cleaning. Use a 1/2 cup of vinegar in your flask, gently swirling the vinegar around to wash any affected areas and let sit for 5 minutes. Rinse thoroughly with warm water and repeat if necessary.
• Use baking soda for cleaning, mix 2-3 tablespoons of backing soda with a small amount of warm water to form a scrubbing paste. Dip the bristles of your bottle brush in the paste and work paste into affected area on the inside of your flask. Repeat as necessary until stain disappears.
• Wash your Hydro Flip Lid and Wide Straw Lid in the dishwasher. They Hydro Flip Lid and Wide Straw Lid are top-rack dishwasher safe. The cap may lastlonger if it is hand washed, but if it needs to be deep cleaned, the dishwasher is acceptable.