Kinetic Go Green Glassworks Elements Series 12-Ounce Rectangular Food Storage Container with Vented Lid 55081 BPA Free and FDA Approved Single rectangular container capable of holding 12 ounces or 1.5 cups Featuring a Vented Lid for Microwave Use. Patented locking 4 tab lid with silicone seal helps food stay fresh up to three times longer. Oven safe up to 450 Fahrenheit without the lid. Refrigerator and freezer safe. Dishwasher safe, top shelf recommended for lid. Removable Silicone Seal for easy cleaning