Re-use cuts daily consumer waste and helps our planet. This cup is made of PLA that is a completely biodegradable and renewable material. It looks like plastic but actually has NO fossil-based plastic at all. The sleeve is made of food-grade silicone that can be recycled. The lid is made out of PLA and it screws into the cup, so you don't have to worry about spilling the coffee anymore. Cup's capacity is 450 ml. The package is made of a carton.