DetailsElegant Fine China Style Windsor RN Coated Full Colour Printed Mugs. Beautiful and Elegant - this Fine China Style RN Coated (dishwasher safe) mug has a fluted top edge, is bright white and dishwasher safe with a tear drop design handle. These mugs are coated in the RN sublimation coating from the US which means the mugs are fully dishwasher safe and microwave safe. When we say dishwasher safe we mean they can be washed in any dishwasher with any dishwasher tablet. We have tested these using the Finish PowerBall dishwasher tablet with no deterioration in quality. Some companies sell "dishwasher safe" mugs which are okay so long as they are not washed above a certain temperature or so long as you don't use a specific type of dishwasher tablet (such as the Powerball). Our mugs do not have such a restriction so you can be sure that the image will not fade. Our supplier is the first company in the UK to offer a 12 month dishwasher guarantee on all our RN coated ceramic products. Overall measurements are 103mm tall by 73mm diameter. Mug can come in clear gift box if requested.