Deep bowls are 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 BPI certified compostable and made from a 100 percent reclaimed and renewable material. These sugarcane products are made from a reclaimed resource that would otherwise have been burned. Bowls meet ASTM standards for compostability.