Material... Porcelain/Pottery [Tachikichi Glaze Serving Set: Large Plate x 1, Small Plates x 6, 7-piece set, Porcelain Tableware] Large Plate: Diameter approx. 22cm (White x 1) Height approx. 4cm Small Plates: Diameter approx. 10.5cm Height approx. 1.5cm (White, Yellow, Blue x 2 each = 6 plates) Although new and unused, these items have been stored for a long time. Please understand that the outer box and packaging materials may have some damage before purchasing. Thank you for viewing.