Sometimes called porcelain tiles, these 2cm x 2cm x 3.8mm unglazed ceramic tiles are made from layers of fired clay. A popular mosaic material that can be very easily cut & shaped with tools. Made in France by E. Winckelman since 1894. Can be cut with tile nippers or wheeled tile cutters. 5cm x 5cm x 5mm tiles can be supplied to special order in sheets of 36 tiles.