Republica Dominicana Silver Viking Tumbler. These 20oz. Viking stainless steel tumblers are great for keeping your cold beverages icy and your coffee piping hot for hours! They feature double wall insulation, copper lining and a press-in, twist-closure lid with a vacuum seal. Viking tumblers give you high quality, insulated drinkware. Care instructions: Hand wash only. *NOTE: At this time we are unable to include personal messages to item recipients. We are planning to offer this service in the future and will note when we are able to do so. Thank you and God bless!