Bamblu offers you only eco-friendly and compostable products. Bagasse plates, bowls, cups, portion cups and containers are compostable tableware made of bagasse (also known as sugarcane fiber), selected for consistent high quality. Certifications and exactly what they are made of is provided on the product's page and in Product Specs. Many other companies that sell SOME compostable products lead you to believe, by default, that ALL of their products are compostable. Plastic or wax coatings and toxic inks are not compostable and earth friendly. There is a reason if eco-friendly details are not provided.