This 12 oz compact bottle features double-wall vacuum insulation and durable 304 stainless steel construction to keep drinks cold up to 20 hours. Designed with a flip-straw lid for easy, one-handed drinking, it's leakproof, cupholder-friendly, and perfect for smaller hands. Features Double-wall, vacuum-insulated canister keeps beverages cold Constructed with 304 food grade stainless steel Fast, easy one-handed operation Non-slip protective silicone boot Dishwasher safe (hand washing recommended)