THERMOS THERMOS JDG-452C SMT Vacuum Insulated Mug, Stainless Matte. Brand new, unopened. This simple and easy-to-use mug is perfect for everyday use, with a handle for easy carrying and is perfect for everyday use at the dining table. The stainless steel vacuum flask construction keeps drinks cold or hot for a long time, and the lid prevents dust and is effective for heat retention. Capacity (mL): 450 Heat retention (1 hour): 69°C or higher Cold retention (1 hour): 8°C or lower Body dimensions / width x depth x height (approx. cm): 12.0 x 8.5 x 11.0 Body weight (approx. kg): 0.2 Brand new, unopened.