Lady Mary separator plates provide sturdy platforms for multi-tiered cakes.They are made of precision moulded polystyrene and are durable enough for multiple uses, yet affordable enough to be included with the cake.Plates are perfect to use with Lady Mary / Ateco disposable dowels (sold separately).Set of 4; set includes 15cm , 20cm , 25cm and12-inch diameter plates.By Lady Mary / Ateco.Made in USA since 1951.