Our large 40oz personalized tumblers are beautifully engraved in the style of your choosing. Tumblers are made of high quality stainless steel to keep your drinks cold (or hot!) for an extended period of time. * Made of double walled stainless steel * Design is permanently engraved into the tumbler * Cup is 40oz * Features tapered bottom designed to fit into your cup holder * Includes slide lid + a straw