Made With rPET Material. 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 Straw Are Not rPET. Recycled PP Lid And Straw Material. Smooth Rubberized Finish. Screw On, Spill-Resistant Sip Top Lid. Tone-On-Tone Look With Matching Lid And Base. Easy Carry Handle. Meets FDA Requirements. BPA Free. Hand Wash Recommended.