Made of Combo: 230D rPET And Twill Polyester With Recycled 190T Polyester Lining. Made From Post Consumer Recycled Materials. Recycled Polyester (rPET) Is Obtained By Melting Down Existing Plastic Bottles And Other Material Sources To Create New Polyester Fiber. Zipper, Handle, Inner Binding, Buckle and Padding Are Not rPET. Zippered Main Compartment. Adjustable Shoulder Straps And Web Carrying Handle. Front Zippered Pocket. 2 Side Slip Pockets. Trolley Strap To Fit Over Your Luggage. Padded Laptop Pocket Inside. Accommodates Most Laptops Up To 13″. Zinc Alloy Zippers. Polyester Webbing Zipper Pulls. Spot Clean/Air Dry.