Specification: Color Option: Black, Dark Blue, Green Dimensions: 16.9" X 11" X 5.9" Material: outside Nylon + inside Polyester Weight: 0.48lb Application: Hiking, Traveling, Camping, Hunting, Climbing Why Choose Our Hiking Backpack? 1. Be well constructed with 3 separate zippered pockets to organize your towel, cloth, snack and etc.; 2. The back of the backpack has an anti-thief zipper pocket, which can be convenient to store valuable items such as mobile phones and wallets; 3. Made of Nylon material, resistant to scratch and abrasion, built in heavy-duty condition to stand up to abuse in the wildness. 4. With built-in folding function, it can be folded when not in use, easy to carry or store, and only occupies a very small space. 5. Two straps are adjustable for reducing bounce. Breathable air mesh padding speeds up air-flow, lessens the pressure on your shoulder and provides lightweight comfort. Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.