This backpack bag by ASOS Collection has been crafted from a pure cotton canvas. The details include: a fold-down design to the top, pin buckle strap fastening with antiqued gold-tone metal work, drawstring closure, contrast wolf print, leather look trims, grab top handle, front pocket with twin pin buckle straps and a zipped interior compartment. ABOUT ME Lining: 100% Polyester. Outer: 100% Cotton. Trim: 100% Polyurethane