Miele brand glazed ceramic bake stone. The edge is rounded, but the usable cooking surface is roughly 14" by 12". Very heavy. 9.6 lbs. Used condition. There is some discoloration on the cooking surface from oil from pastries. These bake stones have since been discontinued, but sold new for over $500 (with a small pizza peel). There is no pizza peel included with this used bake stone. Please text to arrange purchase and pick-up.