Made of PLA plastic. Choose standard or dishwasher safe PLA.Sizing:XS: 2" wide by 1.5" tallSmall: 3" wide by 2" tallMedium: 4" wide by 3" tallLarge: 5" wide by 3.75" tallMade of dishwasher safe PLA plastic. No returns unless damaged in transit. *Colors may vary. Instructions for Use: Place on top rack of dishwasher or wash by hand with warm, sudsy water. PLA is the common name for Polylactic Acid or Polyactide. PLA is made from starch rich plants such as corn and sugar beets.*There is no wheat, nut, or gluten used in or around the resin process or the manufacturing process of the plastic.