Bronze Times (TM) Extra Large Business Travel Gear Laptop Shoulder Bag Backpack nylon Imported Zipper closure Made of durable anti-scratch nylon material; Perfectly used in four seasons Three carrying ways by transfoming the top handle breifcase into shoulder bag or bacpack easiliy; Go perfect with rolling luggage with an layer on the back Little front zippered pouch with two main zippered pocket to organize everthing perfectly like laptop, notebook, tablet, phone, documents, pens, passport and so on Good assistant with super large capacity on your business trip, travel, school, and commercial meetings Two size availabel: 15.9" L X 12.4" H X 6.8" W (For 15.6 inch Laptop most); 18" L X 13" H X 7" W ( For 17.3 inch Laptop most)