the porter tanker shoulder square bag is made from three distinctive layers of nylon, polyester cotton and nylon taffeta. It features a detachable and adjustable shoulder strap and has multiple zipped compartments and internal pockets for optimal storage. main compartment with zip 1 inner compartment 1 inside pocket with zip 1 outside pocket with velcro fastening strap fastener inside adjustable shoulder strap made in japan 17 x 18 x 6 cm ( w x h x d) 100% nylon   622 69125 30 porter-yoshida & co. tanker new shoulder bag (olive)