Deep bowls offer a strong, grease-resistant, cut-resistant and freezer-safe alternative to traditional plastic or polystyrene. Use these eco-friendly, 12 oz. bowls for hot or cold foods. You can even use them in your microwave. Sugarcane fiber products are made from a 100 percent reclaimed and renewable material. These sugarcane bowls are made from a reclaimed resource that would otherwise have been burned. They do not contain any harmful PFAS chemicals.