With this deluxe Double Boiler you can prepare creamy, delicate sauces just like a master chef! The bottom pan is a real workhouse, with a tough encapsulated base consisting of a thick aluminum core for quick heat distribution. Fully tempered glass lid, encapsulated tri-ply base and 18/10 stainless steel, dishwasher safe. RSVP Endurance Polished Stainless Content: 18/10 Stainless Steel / tempered glass lid Measurements: One bottom pan: 4"H x 7.5"D One top pan: 4"H x 7.5"D One tempered glass lid Dishwasher Safe