Polka Dot Cocoa Mug Featuring the Polka Dot design, this is an ideal mug for the ultimate hot chocolate lover.  Enjoy your beverage in style with this big, chunky mug from Emma Bridgewater; a great gift for a loved one or perhaps a little treat for yourself. Dishwasher & microwave safe Lower temperature wash Liquid detergent preferred to maintain appearance Not oven saf e 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.