Buckingham four hole poacher is made from high quality stainless steel with a mirror polished finish, encapsulated base for even and efficient heat distribution, tempered glass lid with steam vent, and a riveted stainless steel handle. Our extra deep pan can also be used as a saute pan when the poacher cups are removed. The internal dimensions of this pan is 20 cm also this product is dishwasher safe. This Buckingham Egg poacher suitable for all heat sources including induction.