Made Of Combo: 230D rPET And Twill Polyester. 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, Piping, Binding, Carabiner And Labels Are Not rPET. Zippered Main Compartment. Carabiner Attachment Attaches To Backpack, Belt Loop, Etc. Carabiner Not For Climbing. Elastic Band On The Back To Wear As A Wristlet. Spot Clean/Air Dry.