Ripple The Ripple mug in the Cairngorm shape features a design by artist Caroline Bessey with striking patterns of ripples. Vibrant and full of character, this mug is a available in three different designs.  Cairngorm Named after the Scottish Mountains of the same name, is a larger version of the Lomond shape mugs. It has a gentle slope to the body and a curved handle. With a range of fabulous designs to choose from this \'oversized\' mug is a must. With a capacity of 480ml they are both dishwasher and microwave safe, with the exception of any mugs with gold embellishment.