The Patti Ceramic Lined Vacuum Insulated Tumbler w/ 360 Lid features a durable, stainless steel vacuum construction with copper insulation, which allows your beverage to stay hot for up to 8 hours or cold for up to 24 hours. The construction also prevents condensation on the outside of the tumbler. With its on-trend, matte coating, this item is plastic free with the exception of its silicone components. This tumbler features an inner ceramic coating, which helps create a clean non-metallic drinking taste, as well as a convenient 360 drinking lid. Perfect for taking any beverage on the go. Recommended hand wash only. 16oz capacity.