Made Of 600D rPET With 210D 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. Rope Straps And Zippers Are Not rPET. Zippered Main Compartment. 24" Rope Shoulder Straps Double As Storage Straps For Yoga Mat, Towel, Jacket, Etc. Interior Drop Pocket. Spot Clean/Air Dry.