Swiss Diamond Nonstick Square Saute Pan with Lid - 5 qt (11 x 11") Model #66283c: 28 cm x28cm (11" x11") 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