Olympia Kristallon polycarbonate plates are colourful, virtually unbreakable and perfectly designed for regular uses in schools, hospitals, outdoor activity centres and other institutions where shatterproof crockery is essential. They are 230mm (9") in diameter and come in a pack of 12. These plates measure 230(Ø) x 16.5(H)mm or 9(Ø) x 3/5(H)".