Stainless Steel 20 oz skinny tumblers for hot and cold beverages. These tumblers are double-walled to keep beverages cold or warm for hours, and made of high quality 304 stainless steel. I do not use epoxy on my mugs or tumblers. The images are heat and pressure transferred into the surface itself. It will not crack, peel or fade if left in a hot car or frozen ski bag. Each tumbler comes with dust-proff slide lid, rubber coaster bottom, stainless steel straw, and straw cleaning brush. Most designs are able to be infused on any style tumblers. Not limited to one style.