Eco Chic bamboo cups sold on this website are made from natural fibre (corn stalk powder and bamboo sourced from upcycled materials), and a proprietary resin containing aloe, soy, and <3% melamineOur bamboo cups are tested under CE and LFGB standards by independent institutions, such as Intertek and TÜV Rheinland to demonstrate our compliance with the EU’s strict LFGB Food Contact safety regulations. Namely (EC) No 1935/2004 and specifically (EC) No 10/2011.Care InformationEco Chic bamboo cups are dishwasher safe, we also recommend cleaning with hot soapy water and rinsing the cup after each use.Please note that our cups are not suitable for microwave usage.