Here we go with our latest combo offering. We’re matching our newly arrived Celtic Tree of Life teapot with four matching Celtic Tree of Life mugs and reducing the price of each and saving you some money. Bone china. Made by Royal Tara, Ireland’s finest bone china designer and maker. This bone china combo depicts a tree of life in the style of 9th century ancient Celtic manuscripts which would have been painted by monks onto vellum or calf skin. Irish Ann also has the teapot and mugs separate.