Swiss Diamond Nonstick Wok with Lid - 12.5" Model #61132c: 5 L (5.3 QT) / 32 cm (12.5") Patented nonstick coating reinforced with real diamond crystals (PFOA-free) Made in Switzerland; Cast aluminum; Oven-safe up to 500 degrees F Stay-cool ergonomic handle provides a safe, comfortable grip See-through tempered glass lid with knob that doubles as a steam vent