High Quality Material- The collapsible steamer basket is made of food grade stainless steel which is rustproof and safe to ensure your health. The holes on the steamer basket are for easy steaming and draining. Hot steam passes through the holes and cooks the food without touching the boiling water. Extendable and Foldable Design- You can easily open and close the steamer. The diameter of the collapsed vegetable steamer basket is 14. It expands to 23 after the petals are stretched. Adjustable steamer fits well in pressure cooker, pots. The metal steamer basket blades can be folded compactly so you can save storage space. Easy to Clean- Comes with versatile scouring sponges, easy to clean the steamer . The steamer basket uses a special polishing process, it should be washed with hot water before first use to ensure that it is clean. 3 Long Legs- 3 legs with a 3 of long to elevate the steamer insert more stably, so you can pour more water into the pan and check the water level less often. The steamer is temperature resistant from -40 to +446F, so you don't have to worry about it melting. Multi-Purpose- The steamer basket can not only steam vegetables such such as broccoli, carrots, cauliflower, corn, potatoes, but also can steam fish, meat, dumplings, crab, seafood, eggs, baby food and more. The steamer basket can also be used as a colander or fruit tray.