Tooths' handle is made from 100% recycled aluminium which has a durable stoving hardcoat, and the Our biodegradable head (body) is made from Floreon. THeir bristles are made from BPA free Nylon. The whole unit is 100% recyclable. They set aside a percentage of their sales for charities and environmental advocates. Add that to their lifetime garuntee, and this is a toothbrush for the world!