Cooler backpack - used once! The Surf Series 30L Cooler is the perfect surf bag, designed to be waterproof. It offers a maximum capacity of 30 liters for storing your wetsuits, towels, wax and much more. A cool little option: an attached bottle opener. It has a trendy design and is made of heavy-duty fabrics for greater durability. Finally, it has straps and handles allowing you to carry it effortlessly from the beach to your car.