Glasslock RP520 5-Ounce/150ml Rectangular Glass Food-Storage Container with Locking Lids - 12pc sets Environmentally friendly Spillproof, shatter resistant, dishwasher, microwave, freezer and refrigerator safe Silicone gasket locking system and impermeable polypropylene containers keep out oxidizing Patented manufacturing process reduces odor and staining and is BPA and FDA approved Product Dimensions: 4.25 x 3 x 2 inches - 6 pc Glass Conatiner and 6pc lids - (12 pc set total)