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
- Before Initial Use: Hand-wash flask and cap with hot, soapy water. Rinse the flask as well as the cap, and it's ready for adventure.
- Do Not: Put your flask through the dishwasher or soak the exterior in hot water, put your Hydro Flask in the freezer, put your flask on the stove, soak or put the flex cap/wide flat cap/stainless steel flat cap/loop cap in the dishwasher, use bleach or chlorine to clean products
- You Should: Wash flask with a bottle brush, use white distilled vinegar for cleaning, use baking soda for cleaning, wash Hydro Flip Lid and Wide Straw Lid in the dishwasher