Kinetic Glasslock Series 30-Ounce Square Glass Food Storage Container With Locking Lid 01313 Environmentally friendly Spillproof, shatter resistant, dishwasher, microwave, freezer and refrigerator safe Silicone gasket locking system and impermeable polypropylene containers keep out oxidizing Patented manufacturing processreduces odor and staining and is BPA and FDA approved