ZUOLUNDUO Vintage Canvas Laptop Messenger Bag School Bag Business Briefcase 8645DJ2,Black Main material: high density canvas, it's very durable. Approx Dimensions: 15.7" L x 5.1" W x 13.8"H Large compartment design for books and notebook Adjustable shoulder straps to protect your shoulder, you can adjust it according to your height and comfort requirements. Available in different colors to fit your personal style. Great for school, outdoors, camping and travelling