The Saturn Tumblers are designed as a set of 4 individually unique cups so everyone at your party, gathering or family dinner knows which one is theirs! Each tumbler has an angled notch on varying placements of the cup. Not only visually pleasing, but each user is able to pick which style feels best in their hand. The Saturn Tumblers are designed as a set, sold individually, so you can mix and match which angled notch you like best! Exterior: Stone White Stoneware Interior: Celadon Dimensions: Approximately 4"x3.5" Each piece is made by hand, and therefore the size and shape will vary slightly from the photographs. food safe. dishwasher safe. microwave safe. hand wash is recommended.