Come and see our amazing products! This backpack is made of waterproof Oxford cloth and polyester. The backpack has a large capacity and can meet the needs of 2-3 days travel. It has a USB charging port, earphone hole and keychain, which is very convenient and fashionable. The back of the backpack is equipped with a high-elastic foam pad to absorb shock and reduce pressure, which is very comfortable. This backpack is an ideal choice for promotional gifts. Logo can be customized and the price includes shipping.18" L x 12.5" W x 8" H. Pls confirm further with us if any query about packing info, inventory status and time schedule.