Top roll design with hook and loop closure Multifunctional Pockets ---- 1 waterproof zipper front pocket, you can keep smaller things and easy access;1 internal zipper pocket for storing your valuables;2 inner mesh pockets, convenient for you to organize your items;The large main compartment can hold everything you need for your trip Large Capacity --- 60L Whole bag dimension: 22.75L x 13.75W x 21H inch Convertible Dry Bags with Versatile Carrying Ways --- Designed with adjustable backpack straps that are easily attached or detached, adjustable sternum straps ensure a suitable place to wear, also has an adjustable/removable shoulder strap and 4 sides soft haul handle for multiple carrying ways Waterproof dry bag can not only be used on outdoor adventures like hiking, cycling, motorcycle, climbing but also do well in water activities like boating, floating, canoeing, rafting, kayaking, surfing, swimming, fishing, beach vacation and so on.