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. | Elastic Band On The Back To Wear As A Wristlet | Spot Clean/Air Dry