Contain onion odors while keeping cut onions fresh and moist.The Pro-Line Onion Saver features a clear bottom and a jewel-toned top. It will never be lost and forgotten in the fridge. A twist lock attaches the 2 sides.It is phthalate and BPA-free. Reusable and recyclable. Dishwasher safe. Measures 4.4" in diameter and 3.6" tall.