Made of water-resistant Oxford cloth.Lightweight, sporty and stylish, with smooth double access zippers and adjustable shoulder strap metal buckle, There is a USB port on the side to charge your phone.The shoulder strap and the back is made of breathable material, make you feel comfortable when travel, hiking and so on.There is a hidden earphone hole on the front, providing easy access to your earphones, you can enjoy music anytime and anywhere. You can put some of your intimate small objects, the internal large capacity space design allows you to put more things.