PREMIUM STAINLESS STEEL: Made of food-grade SUS 304 stainless steel, durable and rust-Proof, easy to clean VACUUM INSULATION: Double wall vacuum insulated, keeps hot up to 1-2 hours or cold up to 1-2 hours BPA-FREE: BPA free lid with silicon rubber gasket, dishwasher safe, shatter resistant. With drinking hole on the top for easy sipping and straw friendly. CONVENIENT HANDLE: Easy Grip handle comfortably fits into your hands, easy to grip and carry NO SWEAT DESIGN: Sweat proof design makes sure your hands stay dry, and leaves no water rings. Durable powder coating provides additional grip to the cup's exterior