This two-tiered steamer set comes with a stainless steel pot, allowing for efficient steaming right away. It's also compatible with induction cooktops. The diameter is approximately 15.5 centimeters, making it a somewhat compact size. - Material: Bamboo and stainless steel - Type: Steamer set - Number of tiers: 2 - Diameter: Not specified but appears standard for kitchen use - Features: Stackable design for efficient steaming Thank you for viewing. Please read the profile before purchasing.