Unisex Laser Fabric Backpack Waterproof Daypack School Traveling Casual Bag High quality shinny laser fabric with good scratch resistant , durable and waterproof Thicken sponge layered shoulder straps, help to reduce pressure and protect things inside Adjustable shoulder straps offer better fit Interior slot pockets helps to classify ipad, books and other items Main pocket with dobble zipper closure, it is very convenient