These 12 oz. rectangular takeout containers combine 100% renewable compostable bases with clear RPET lids for maximum visibility and use. They are sturdy and grease resistant and great for both hot and cold foods, and the bases are microwave safe. The bases are made from renewable sugarcane and are BPI certified and ASTM compliant for sustainability needs. Matching recycled content and compostable lids fit snugly and safely on the base.