The timeless design is suitable for everyday use - year after year. The patented nonstick surface is metal utensil safe. Specially designed for glass-ceramic and gas stoves. Squeeze-cast base eliminates hot spots for even cooking and browning. Hand-cast in aluminum - stays flat. Oven-safe up to 500°F for stovetop to oven techniques. PFOA-free. Handles secured by a patented locking system; free of rivets. Dishwasher safe; hand-wash recommended.