Size: φ2.9 x H7.8 inches (74 x 197 mm) / 17.6 fl oz (500 ml) / 10.1 oz ( , Material: Stainless Steel, Polypropylene, Silicone , Country of Origin: China , Heat Retention Ability: Over 149°F (69°C) (6 hours) , Cold Retention: Less than 15.4°F (7°C) (6 hours); BPA free