20oz Tumblers Stainless steel. Your order will come with a metal or plastic straw and a straw cleaner. Plastic clear sild lid. All tumblers are hand-made, so each tumbler is unique. Please remember to hand wash your tumblers they are made with sublimation, and the image could ware off in Hot Water. They hold cold liquids for 12 hrs or more and Hot Liquids for 6 hrs or more.