10 1/2 Inch Plate in Polka Dot Design This lovely 10 ½ inch dinner plate will adorn your table whatever the occasion. The centre of the plate is clear and the border features hand sponged Polka Dot design. Not suitable for Microwave use. Not Oven safe. Dishwasher safe, however it is recommended to wash in lower temperature with liquid detergent to maintain appearance. Made from English earthenware Emma Bridgewater\'s earthenware is made by hand in her factory in Stoke-on-Trent, Staffordshire in England. The spongeware patterns are decorated entirely by hand. Polka Dot Range Emma Bridgewater\'s classic Polka Dot range uses beautiful pastel colours along with multi-coloured watercolour styled spots on a light cream background. It exemplifies the simple, stylish elegance that has come to represent Emma\'s designs.