The main body uses P.V.C fabric that is resistant to water, shibuki, dirt and abrasion. Equipped with a convenient non-slip side handle for taking off the beach or loading and unloading your bag. The resin molded top lid is used to handle rain from the top. Shock resistant. Equipped with a convenient non-slip side handle for taking off the beach or loading and unloading your bag. The front pocket is convenient for storing tools that you want to take out quickly. The molded parts are used to prevent water and shibiki from entering from the top. Shoulder Belt: The shoulder belt uses a large pad and uses waterproof P.V.C material that does not stick to water, civpliers or dirt and can be cleaned just by wiping off water. It also eliminates the unpleasant smell that remains on the tape. The shoulder belt can be detached with a snap clasp. By attaching a shoulder belt that is sold separately, you can also change it to a backpack-type bag. Storage: A pocket is used on the top of the inner lid to provide ample storage space for small items. You can store small items such as gloves, extra towels, harrises, quick cases and more. The 32 liters can store our 14.2 inch (36 cm) backer and our 15.7 inch (40 cm) backer in 10.2 gal (36 L) backpack. Please do not put a load on the handle and shoulder belt at least 37.6 lbs (18 kg). Precautions for Use: Do not expose excessive impact to the main unit and parts. Store the product in a shaded and ventilated place away from direct sunlight. Storage in direct sunlight, high temperature and humidity will cause product color fading and deterioration of each piece. After using, be sure to wash with fresh water and allow it to dry thoroughly before storing. If it is seriously dirty, hand wash it with a mild detergent and rinse it thoroughly and dry it in the shade. Storage until seawater is adhered to the main unit may deteriorate and fasten to the zipper.