Made Of Stainless Steel. Powder Coated Finish. BevGuard™ Insulation For 24-Hour Temperature Retention. Screw On, Spill-Resistant Lid. Holds Full Bottle Of Wine Or 750 ML Of Your Favorite Beverage. 100% Leakproof. Glass-Free Zone Friendly. Non-Slip Base. Meets FDA Requirements. BPA Free. Hand Wash Recommended.