თერმოსი ARDESTO AR2645DMB 450 ml thermal mug with vacuum technology for temperature retension – up to 8 hours for hot drinks, and 12 hours for cold drinks. The outer black metal part has matte texture and white letterings. The inner part is made of 18/10 stainless steel. The non-slip base prevents overturning, and the plastic lid has silicone pad and drinking opening button.