Kinetic Glasslock Series 17-Ounce Square Glass Food Storage Container With Locking Lid 01314 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