rPET Inner And Outer. Recycled Polyester (rPET) is Obtained By Melting Down Existing Plastic Bottles And Other Material Sources To Create New Polyester Fiber. Recycled AS Lid. Lid Is Not rPET. Screw On, Spill-Resistant Lid. Tone-On-Tone Look With Matching Lid And Base. Wide Mouth Opening. Easy Carry Handle. Meets FDA Requirements. BPA Free. Hand Wash Recommended.