Collaboration product between STANLEY, an American thermal wear brand, and Afternoon Tea LIVING. This portable mug features a double-wall vacuum construction, providing excellent insulation for both hot and cold beverages. Brand new, unused. Color: Green Capacity: 230ml Dimensions: Approximately 15 x 8 cm Heat retention: Keeps liquids above 44°C (111°F) for 6 hours Cold retention: Keeps liquids below 12°C (54°F) for 6 hours *Temperature measured after 6 hours, starting from 95°C ± 1°C (for heat retention) or 4°C ± 1°C (for cold retention) in an environment of 20°C ± 2°C. I obtained this about 4 years ago and it has been stored in a closet at home. It has been stored in a dark place and is new and unused, but please purchase only if you understand that it has been stored at home. Immediate purchase is welcome. Will be sent via anonymous shipping.