The Cuisipro 12-Inch Silicone Locking Tongs in Black feature a patented locking pull mechanism that can be opened with one hand. Push to open. Pull to lock. Cuisipro Silicone Locking Tongs are made of commercial-quality stainless steel, feature nonstick silicone ends that are heat-resistant to 575 F and are designed to handle both cooking and serving tasks with ease. Dishwasher safe. Cuisipro kitchenware and kitchen utensils are backed by a 25 year warranty from Cuisipro.