This listing is offering a bundle of an egg poaching rack that comes with 4 stainless steel cups and an Egg Steamer Rack that is used for making Hard Boiled Eggs in an Instant Pot or Pressure Cooker. The Poaching rack is compatible with a lot of your existing cookware and the IP and Pressure Cooker. The Egg Steamer rack can also be used as a trivet. Everything in this bundle is made of high quality stainless steel.