This 350ml premium reusable bottle features a luxe, matte finish, and a durable, double-walled stainless steel design. It is vacuum-insulated to keep liquids cold for up to 24 hours and hot for up to 12 hours. Includes a custom silicone strap to carry or clip. Perfect for kids, or to drop in a purse or backpack. Free of BPA, BPS & Phthalates. 100% Reusable. Condensation and Leak-proof. Easy to clean just with soapy water. Do not microwave or put in the freezer. Holds 12 oz.