This item is a clear glass oval Pyrex lid with a round knob. The lid measures 11 x 8 1/2 inches and has a lip to lip O.D. length of 10 1/2 inches and a width of 8 inches. This item is in excellent condition without any chips, cracks or scratches in the glass and shows little use. Please see the photos for more details and check out the other listings in my eBay store.