Great for the beach and other outdoor events. Zippered leak-proof main compartment holds up to 20 cans. Features water-resistant speakers compatible with most CD and MP3 players (including iPods). The zippered main compartment, which can hold 20 twelve-ounce cans, is insulated and leak-proof. Zippered electronic pocket in front includes headphone port. Side shock cords for bottles or accessories. Uses 4 AA batteries (not included). Manufactured By Leeds. Note: Instructions Included: No Materials: 210d Polyester