Large insulated reusable bag with zip closure, inside mesh pocket, and waterproof PEVA lining. This bag can be made with heavy duty 600 or 800 denier nylon. Bag measures 24.5" W x 13" H x 6.5" D (62 x 33 x 16.5 cm). Ideal for shopping, trips to the beach or park, pool parties, picnics and more. Bag keeps hot items hot and cold items cold. Maintains temperature for up to 3 hours ( /- 3%). Sustainable reusable product eliminates waste from plastic bags.