Club Rochelier's smart backpack is made of 600D polyester material. Small front pocket stores smaller accessories such as an iPad or cell phone, second zipper pocket holds a tablet and has classification pockets for more organized storage. The main compartment has a secure laptop pocket as well as a hidden zippered compartment with USB/Headphone ports. This bag is ideal for the business traveler or busy student, thanks to its comfortable padded backpack straps and trolley strap. • 600D Polyester • Single top handle • Zipper closure • 2 front zipper pockets with tablet space and classification pockets • Main interior compartment • Polyester lined interior • Foam padded interior laptop holder • USB/Headphone port • Adjustable padded backpack straps • Trolley Strap 34.29 x 11.43 x 45.72 cm (13.5 x 4.5 x 18 in)