Amazon.com | Olympia Tools Travel Laptop Backpack 18.5 inch 。Elegant and versatile black backpack perfect for everyday use. FEATURES Constructed of durable polyester Large capacity main compartment Convenient add-a-bag strap for placing backpack on top of rolling luggage Retractable USB cord for charging Interior: 3 pockets Exterior: 3 pockets Side pockets for water bottles or accessories 4 compartments Padded laptop compartment fits up to a 15-inch laptop DETAILS 16\"H x 11\"W x 7\"D Body: polyester Lining: polyester Weight: 1.25 lbs. Zipper closure Spot clean only Imported