This Triple insulated technology is what separates us from the rest! – it prevents condensation, insulated your hands from the cold, and keeps your favorite beverage ice cold until the last drop!! It fits all 12 ounce standard size bottles (miller lite, coors lite, corona, and any other bottle with a circumference of -7 1/2") (doesn’t fit 22 ounce bottles or stubby bottles.) Hand wash with soap and water. Hair dry upside down. Do not freeze for microwave. Do not put in the dishwasher. Treat paint with care!