Food grade material: Made of food grade 304 stainless steel, strong and durable, forever rust-free and corrosion resistance. Healthier and faster cooking set. This steamer set is the best choice for you to save time and eat healthier food. Perfect set: They fit perfectly in a 5/6 or 8 qt. skillet. and can be used as a steamer, steamer, divider, etc. 1-7 eggs steam simultaneously without cracking. The perfect accessory for your pressure cooker. PRODUCT DIMENSIONS: The steamboat measures 8.5 " (diameter) and 2.5 " (height), the steamboat measures 6.9cm (diameter) and 2 " (height), the separator measures 17 cm (diameter). Multifunctional: Stainless steel divider included, you can separate vegetables or food as needed. Very convenient to use. Can also be used as instant steamer, egg steamer, pan stand and so on. Perfect accessory for your instant pot and pressure cooker.