Brand new, unused, and unopened. This is only the actual appendix item. Product specifications: ♡ Capacity 450mL (suitable capacity 380mL), Material: ♡ Stainless steel Size: ♡ Height approx. 12cm, drinking spout diameter 8.5cm Cold and heat retention performance: Keeps cold water at 3°C (200mL) and 100g of ice below 3°C for 6 hours, and hot water at 96°C (200mL) above 40°C for 1 hour (according to the editorial department, room temperature 20°C). Can be used for both cold and hot drinks. Can be used with a cup inside. Can also be drunk directly.