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. Lining, Zipper, Strap And Buckle Are Not rPET. 2-In-1 Bag That Transforms From A Crossbody/Belt Bag Into A Backpack. Backpack Mode Adds 6L Extra Storage Space When Needed . Zippered Front Pocket. Double Zippered Main Zippered Compartment With A Mesh Internal Pocket. Holds Laptops Up To 13". Adjustable Shoulder Strap And Web Carrying Handle. Adjustable Waist Strap For Crossbody/Belt Bag Use. 35" Strap. Reflective Element For Road Safety. Spot Clean/Air Dry.