Image 1 of 4 Image 2 of 4 Image 3 of 4 Image 4 of 4 Beautiful dual glaze mug £30.00 A magical opalescent glaze .large mug white stoneware body. 4”H x 3.5”W dishwasher safe 450ml. Add To Cart Added! A magical opalescent glaze .large mug white stoneware body. 4”H x 3.5”W dishwasher safe 450ml.