Nike Elemental Backpack (21L)-Unisex New with Tags The Nike Elemental backpack has you covered for your everyday adventures. This bag has plenty of storage with a large zippered main compartment. Add in a zippered front pouch, detachable pencil case and a water bottle pocket, and staying organized is no problem. Main zippered compartment is spacious for all your important stuff Front zippered pocket give easy-access storage Side mesh pocket can hold a water bottle Detachable pencil case can store your school items Padded and adjustable straps give a snug and comfortable fit Water-resistant material Haul loop Padding on the back Dimensions 12" W x 18" H x 5" D