Bump & ding protectionMake your Hydro Flask your own with a colorful durable silicone Tumbler Boot that protects against bumps and dings. Specifically sized to fit our 20 - 28 oz All Around™ Tumblers 32 - 40 oz Travel Tumblers and 32 - 40 oz Travel Bottles.Fits 20 - 28 oz All Around™ Tumblers 32 - 40 oz Travel Tumblers and 32 - 40 oz Travel BottlesRemovable silicone boot adds extra protection to your Hydro Flask All Around™ TumblerBPA-FreeDishwasher safeNot for use on a stove in a microwave or freezer.