These coolers are designed to fit most 12 oz. Also fits the bottom of 16oz cans and similar-sized bottles. Cans and bottles and are made with 4mm polyurethane foam for premium insulation. Keep your drinks cold while keeping your hands warm and dry with this handy accessory! Make your own design with heat transfer vinyl, infusible ink, sublimation, screen printing, and fabric markers. Perfect for picnics, barbecues, company parties and a variety of outdoor events.