The Mason Cash White William Mason Mug hosts a stylish coupe edge and embossed ripple effect. Part of the William Mason dinnerware collection, which is ideal for relaxed dining and entertaining. The Mason Cash White William Mason Mug is microwave and dishwasher safe. Made from fine and durable stoneware. Dimensions: L9.5cm x W9.5cm x H10.2cm. With a stylish coupe edge and embossed ripple effect, the William Mason dinnerware is ideal for relaxed dining or entertaining.