This is a green set of 4 Oinkston coasters made from hale mara or wrightia tinctoria, a medicinal plant using the 200 year old toy-craft of lac-turnery from Channapatna. The wood is extremely safe and known for its medicinal properties. The colours used are natural dyes and non-toxic.Size: 5 Inches Dia – Each CoasterThis is not a set of 3.A 100 % eco-friendly craft, lac-turnery is carried out on a lathe (a turning hand-held machine). The soft wood of the hale tree (Wrightia tinctoria) is turned into circular shapes and then lacquered by frictional heat. To finish the process, the lacquered piece is buffed with the leaves of the talegiri (Pandanus odoratissimus) giving it the glossy finish. Each product has been painstakingly handcrafted by women artisans from Channapatna, Karnataka using the age-old tradition.