Made Of Stainless Steel . Powder Coated Finish. BevGuard™ Insulation To Keep Beverage Ice-Cold And Carbonated For 24+ Hours. Screw On, Ü-Turn™ Spill-Resistant Lid With ColdKey™ Stainless Steel Straw. Simply Turn The Mode Indicator To The Appropriate Position For Stress-Free Sipping Mode To Open Straw And Sip, Leakproof Mode To Close Straw, Or Cleaning Mode To Clean. 100% Leakproof When Locked. Includes A Rubber Grip That Makes Opening Easy Without Having To Touch The Straw. Comfort Grip Handle . Non-Slip Base. Cup Holder Friendly. Meets FDA Requirements  . BPA Free. Hand Wash Recommended.