Material: Made of stainless steel, not easy to rust. Heat-resistant and dishwasher safe, easy to clean and odorless, suitable for pots and pressure cookers. Trivet: It is a fairly steel and the joints are all spot welded. Three legs design, footed base adding stability. Size:Short:12.9cm x 2.7cm/Medium:12.9cm x 4.7cm/High style:12.9cm x 6.7cm Wide range of applications: Not only as steam rack, you can use it as cooling rack, pot stand rack, and so on. Versatility: Convenient to cook various foods in a same pot, great for steaming fish, eggs, vegetables, meats, desserts, seafood, crab, tamale, etc.