Made from PLA (polylactic) plastic, a polymer made from plants. Great choice for takeout and grab and go. Ideal for cold foods like salads and grain bowls. Freezer safe. Not microwavable. PLA products should be stored in a cool place below 110° F and out of direct sunlight. Food Container Type: Hinged Lid Container; Material(s): PLA; Material Type: Plastic; Interior Volume Capacity: 23 oz.