The Swiss Diamond CHD Nonstick 12.5-Inch Wok with Glass Lid is made in Switzerland and features a hybrid ceramic and diamond-infused nonstick coating for exceptional durability and effortless food release. The diamond-reinforced body heats evenly without hot spots and resists warping, while the rivet-free interior ensures easy cleanup. Oven safe to 500°F and compatible with gas, electric, ceramic, and halogen cooktops, this wok is perfect for stir-fries, sautéing, and versatile everyday cooking.