430 Stainless Steel - Made of food grade stainless steel, safe and healthy to use. You can have great healthier meals easily, easy to clean. Warm tips: Because the product uses a special polishing process, it needs to be washed with hot water before first use to ensure that it is clean. Collapsible Steamer - Can adjust to fit various size pots and pans,Adjustable Size (4.2" to 6"). Opens like a flower and creates a bowl shape and can be opened further into a flat style plate Three Legs - at the bottom of the basket to keep food separate from the pot so that it doesn't burn, it keeps high enough out of the water, also offers steady stand Compact and Useful - Takes up less space in the pot, easy storage. Petal shape design, simple and elegant. Smooth edge avoid hurting hands. Perfect Tray - for steaming broccoli, asparagus, cauliflower, seafood, hot dogs, tamales, dumplings. Multifunctional steamer for veggies, seafood, baby food and more.