Features:Multiple colors to choose fromWith the American flag iconIt is waterproof and breathable.Wide shoulder straps help take the stress off your shoulders, save energy.Comfortable mat, little and multi-pocket multi-pocket, is economical and practical.Capacity: 30L.Materials: waterproof anti tear advance Nylon.The size of this backpack is measured after it is full, not the size of an empty backpack. Please note that it is normal to have a 1-3 cm error by manual measurement! Package Includes:1 x 30L Backpack Shoulders Bag