Made of 100% polyester with an elasticized band that hugs most bottles, the Wraparound Ice Pack is the perfect pairing to our portable Wine Cooler. Uniquely-designed to keep your beverage of choice perfectly chilled the Wraparound Ice Pack is washable, reusable and non-toxic. Simply freeze overnight, slip it over the bottle before you head out and voila! The ultimate solution for on-the-go coolness.