rPET Inner And Outer | 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 | Lid And Carabiner Are Not rPET | Recycled AS Lid | Screw On, Spill-Resistant Lid With Carabiner | Meets FDA Requirements | BPA Free | Hand Wash Recommended