Durable canvas material, a simple design gray backpack. - Number of pockets: 1 zippered pocket on the outside 1 zippered pocket on the inside 2 bottle holder pockets on the sides Zipper on the back that connects to the inside - Design: Simple and stylish design - Material: Durable canvas material - Straps: Adjustable shoulder straps Color: Gray系 (Gray-based) Material: Canvas/Cotton Accessories: None Stains/Tears: Some present