Cup made with 100% natural, hard-formed Polylactic Acid (PLA) a bio-polymer created from 100% renewable, plant-based materials such as sugar beet, corn or potato starch. Flavour taint-free 100% melamine BPS and BPA free Suitable for daily usage to +100C Complies with all global food contact regulations including (EC) No. 10/2011 Fully dishwasher safe Suitable for microwave reheat: Maximum 800W/ 40 seconds.