Stainless Steel, Polypropylene, Silicone , Size: φ2.9 x H8.9 inches (74 x 226 mm); Height of main unit (without lid and mouth): H 6.8 inches (173 mm) , Material: Stainless Steel (powder coated), Polypropylene, Silicone , Volume: 16.9 fl oz (500 , Heat Retention: Over 148°F (69°C) (6 hours); Cold Retention: Less than 15.4°F (7°C) (6 hours) , Country of Origin: China