Made by Corningware these are vintage hot dish holders. Used for putting a hot casserole dish on them and they could carry to dining table. Smaller one is 10 x 6 3/4, 1 inch high leg. Larger is 13 x 9 1/2, 1 inch high leg. Both do have some wear to them. slight pitting. Nice addition to your vintage style kitchen and dining theme. loc/box7-24/