Product Description High-performance cookware that simplifies cooking. The TWIN® Specials series is designed for those who want to easily enjoy special cooking. With a wide variety of options and an easy-to-use design, this is a new style of cookware series from Zwilling that expands the range of cooking possibilities. How to use the Pasta & Vegetable Cooker: Place vegetables or pasta into the stainless steel insert and boil them as is. Once cooked, lift out the stainless steel insert. (※When using the insert to cook pasta, please use pasta of 1.8mm or more.) For asparagus, hook the insert's hook onto the pot, boil the hard parts of the asparagus first, and then fully insert the insert into the pot to boil the whole, resulting in even doneness. Surface treatment: Matte stainless steel. Heat sources: Compatible with all heat sources, including induction cooktops. (Microwaves are not included as a heat source) Country of origin: China Size: (Outer dimensions) Width 171 x Depth 239 x Height 233mm Capacity: 4.5L