The Thunder Group ALST007 Steamer Basket/Boiler Set features a spacious 15-inch diameter and a height of 20-1/4 inches, making it ideal for steaming a variety of foods. Constructed from durable aluminum, this set includes two perforated stacks for efficient steaming, a sturdy bottom for support, and a cover to retain heat and moisture. The 1/16-inch perforations ensure optimal steam circulation, allowing for even cooking and enhanced flavor. Perfect for both home and commercial kitchens, this versatile steamer set is designed to elevate your cooking experience.