Vacuum Stainless Steel Thermal Stick Bottle / Mocha Brand new, opened for photography. Stainless steel portable thermos Actual capacity: 0.19ℓ Suitable capacity: 180ml *Indicates the appropriate amount (less) when in use. Product size: Diameter 4.5cm Height 18cm Heat retention: 39 degrees Celsius or higher (6 hours) Cold retention: 13 degrees Celsius or lower (6 hours) Inner bottle...Stainless steel Body...Stainless steel Mouth...Stainless steel Lid...Polypropylene Packing...Silicone rubber *Cold retention refers to the temperature of the water after filling the product with cold water to the bottom of the stopper, placing it vertically in a room at 20 degrees Celsius ± 2 degrees Celsius, and leaving it for 6 hours from a water temperature of 4 degrees Celsius ± 1 degree Celsius. *Heat retention refers to the temperature of the hot water after filling the product with hot water to the bottom of the stopper, placing it vertically in a room at 20 degrees Celsius ± 2 degrees Celsius, and leaving it for 6 hours from a water temperature of 95 degrees Celsius ± 1 degree Celsius.