orota Vintage College Backpack School Bookbag Canvas Laptop Backpack zipperMany clients complain about the zipper from the old style will be broken essily,so we replace sa stronger zipper External USB with built-in charging cable shoulder strap:double sewing make it more durable Dimensions: 16.9H x 11L x 4.7W inch; Weight: 0.6kg ;Material:Polyester we are responsible for every order,please search :orota after sales service and leave a message to us before you leave a 1 start review