The Back to Basics Nutri-Steamer is a multiple use - - Cooker - Juicer - Steamer - Colander - Soup Pot - and Roaster. 18/8 Stainless Steel Cookware with Aluminum - Clad Bottom. To use simply boil water in the bottom pan and place fruit in the top container. The fruit juice drips into the center pan where it is extracted through a heat - resistant tube. Pan holds 7 quarts and measures 11" in diameter.