The Ark Solid Shoulder Bag M from Master-Piece  uses high-performance nylon twill treated with master-piece’s original special water-repellent finish, m-coat™, delivering outstanding water repellency and durability. The bags shoulder strap contains 5mm thick high-foamed polyethylene padding to reduce strain on the shoulder. The bag features a double-ring design meaning both left and right-handed users can wear the bag comfortably. The bag alongside its main compartment, has a side pocket with cord stopper, perfect for water bottles.