100% Polyester. Polyester lining, Zipper closure, 14" shoulder drop, Hand Wash Only. THE ICONIC DESIGN – The Cool Student Backpack has our signature leather bottom, ergonomically constructed with S-curve shoulder straps, padded back panel & a web haul handle. RELIABLE BACKPACK - JanSport backpacks are made with durable fabric, zippers & straps in colors & designs to reflect your style. ORGANIZATION MADE EASY – Simple & convenient design, 2 spacious compartments, 15" laptop sleeve, front utility pocket with an organizer and a side water bottle pocket.