There are a number of benefits to using this. Bamboo can be grown sustainably, does not pollute the environment, and composts relatively quickly. They are a great eco- friendly choice if you are looking to swap out your throwaway coffee/tea cups and go reusable. Decorative stylish 100% natural Bamboo Tea / Coffee cup. Natural Bamboo Washable, organic and nature friendly. Light varnishes at outside the cup. Please clean inside with light hot water before use.