53% cotton canvas/43% polyester/4% polyurethane leather base; Cotton webbing, adjustable back straps and top carry handle;Zipper closure main compartment w/flap and magent closure; Inside lining with interior zipper pocket; Width 11" (not including gusset), Height 16"; Side seam to side seam 14.75"; Gusset 3.75"; Flap from back seam to front 8". Folded over top approx. 5" high;