The Copco Double Wall Insulated Freezable Water Bottle is easy to use - simply place the tumbler in freezer for at least 3 hours, or as long as you want, prior to filling to ensure your favorite beverage stays cold, longer. With this water bottle you'll never ever have to water down your beverage with ice again! Made of food-grade, BPA-free, durable Tritan, the bottle features a double-wall design insulated with freezable 'crackle gel' which will help keep your drink ice cold. This frosty bottle features a leak-proof, easy to drink, flip-top travel lid with a convenient carrying loop. This travel tumbler perfectly sized and will fit in most standard cup holders. With an 18-ounce capacity, this tumbler is ideal for all kind of drinks, water, soda, iced coffee, iced tea, shake, juice, smoothies, cocktail, beer, cold brew, you name it! Hand wash only with warm water and a mild detergent. Do not microwave. Lifetime limited .