Man-made materials. Bag measures 16 inches in length, 6 inches in width, 10.25 inches in height, 16 inches in height when expanded. Exterior handles measure 8.5 inches in length. Handles on expansion measure 17 inches in length. Removable strap is adjustable and measures 43 inches in length when fully extended. Zipper closure. One exterior pocket with zipper closure. One exterior pocket with snap closure. Snap closure on expansion. One interior pocket with zipper closure. Two interior open pockets. Imported.