This whole of vegetable steamer basket are made of food grade 304 stainless steel which is rust free.There isn't risk of melting and burning.Perfect to ensure your cooking safety and health.1.7 inches long legs on the bottom can elevate the food above the boiling water.It makes food to be steaming rather than soaking.Food steamer basket can be opened from 6.4 inches to 10 inches.Self-adjusting blades allow it to fit variety of pots and pans, such as pressure cooker, instant pot, pans, etc, which turns your pots and pans into an effective steamer.The expandable steamer basket can be used to steam vegetables, baby food, seafood, eggs, meat, etc.It can also be used as a food basket, strainer, steamer basket.