8oz (250ml) bamboo reusable coffee cup it is made from a blend of 30% natural organic bamboo fiber and 70% Polypropylene. Renewable and biodegradable. The use of disposable plastic cups is no longer recommended as it pollutes the environment. Strong durable and anti-bacteria. Dishwasher safe but microwave not recommended. BPA and phthalate free. European standard silicon material and BPA free cup. Mix and match silicon colours. Note the silicone band/lid is not recyclable material. This cup can hold up to 100 degrees celsius.