LOCK & LOCK 57-Fluid Ounce Slender Container with 2 Way Flip Top, 7-Cup 7 cup/57 fluid ounces Made of high quality bpa free plastic Airtight seal with great elasticity power locks tightly with hollow-center silicon Microwave, freezer, and top rack dishwasher safe 7-Cup/57-fluid ounce Made of high quality BPA free plastic Airtight seal with great elasticity power locks tightly with hollow-center silicon Microwave, freezer, and top rack dishwasher safe