Dunoon Henley Splat! MugCaroline Bessey's "Splat!" design consists of droplets of bright rainbow watercolours scattered over a white background Dunoon fine bone china mugs are handcrafted in Staffordshire, England. They are produced to the highest quality using traditional methods which have been developed and refined over 3 family generations in the pottery industry. With the largest capacity in the range holding 0. 6l, Henley is a popular shape with some fabulous designs.