This cup is made of PLA which is a completely biodegradable and renewable material. It looks like plastic but actually has NO fossil base plastic at all. The lid and sleeve are made of recyclable silicone. The capacity of the cup is 450 ml. The package also contains a sleeve so that the fingers will not burn when the drink is really hot. The packaging is made of cardboard that can be recycled. Recycling reduces daily consumer waste and helps our planet. https://www.hagasweden.com/products/moomin-produkter