Adventure essential.Make your Hydro Flask your own with a colorful, durable silicone Tumbler Boot that protects against bumps and dings. Specifically sized to fit our 12 oz and 16 oz All AroundT Tumblers.Fits 12 oz and 16 oz All AroundT TumblersRemovable, silicone boot adds extra protection to your Hydro Flask All AroundT TumblerBPA-FreeDishwasher safeNot for use on a stove, in a microwave or freezer.