Made Of Stainless Steel. Powder Coated Finish. BevGuard™ Insulation To Keep Beverage Cold For 24+ Hours. Screw On, MagFlip™ Tritan™ Spill-Resistant, Flip Top Lid With Easy Carry Handle. Built-in Agitator/Infuser. Volume Markings On The Inside. Non-Slip Base. Cup Holder Friendly. Meets FDA Requirements. BPA Free. Hand Wash Recommended.