This 304 stainless steel tumbler has a double wall vacuum construction with Shadeaya Stainless Steel Vacuum Insulated Tumbler insulation which means it keeps drinks hot for 8 hours and cold for 24 hours. The construction prevents condensation on the outside of the tumbler. Easy sipping, push on lid with slide closure. Content 500 ml. Spill proof & handwash only. Presented in an XD Collection gift box.