Zipper closure with 2 way zipper Back pocket with top zipper fits most 15” laptops Exterior front zipper pocket  One expendable side bottle pocket One zipper side pocket with port for tech courts, and interior elastic mesh pocket One flat side pocket for charging phone Trolley sleeve on back Adjustable padded backpack straps 19 inches to 38 inches Top locker loop with a 2.5 drop Exterior is quilted on front and sides with smooth polyester back panel for enhanced durability Fabric made from three plastic Approximately 16 inches high by 12 inches long by seven deep