polypropylene;This tumbler ensures your liquid intake is measured accurately, helping you adhere to your doctor’s recommendations and avoid potential health complications; Double-wall for extra insulation; Snap on lid with twist closure; not leak-proof; Comes with bendable straw and tethered straw cap; Measurements in ounces and millilitres; Product Size: 4.4" w x 7.7" h x 4" dia.;
