Sitram Sitram France has produced professional grade cookware for over 40 years. It is favored by many of the world"s top executive chefs and restaurants. We"re glad to have Sitram available in the U.S. Why do so many professionals around the world favor Sitram cookware? Sitram cookware is made in France, designed for commercial use. The factory is fully aware of the highest expectations that executive chefs place in their equipment, and continuously works with them to provide nothing but the best. Why would you want professional cookware? Oh, where do we start! How about "these pots and pans are virtually indestructible as well as dishwasher safe"? There"s more: To pour drip-free, simply push the lever. Releasing the lever re-seals it. For easy filling and cleaning, the attached lid opens all the way. Both lines offered here, Catering and Profiserie, are made of highest quality 18/10 stainless steel to guarantee even heat distribution. Since the base is composed of three thick layers of sturdy metal, they will never warp, yet Sitram cookware heats up quickly and retains heat extremely well. Needless to say, Sitram"s surgical-steel grade material won"t discolor or alter the flavor of foods. Users around the world praise how smooth the interior remains even after years of rigid use. The handles are multiple spot welded to provide superior durability and easy cleaning. The lids feature a small hole to vent: While it keeps liquids and flavors in, it lets just a tiny amount of steam out so that the lid doesn"t vibrate top of a boiling pot. All pots, pans and lids are dishwasher safe, NSF* certified and come with a limited lifetime warranty. Catering versus Profiserie Catering boasts a thick copper core sandwiched between two layers of 18/10 stainless steel. Copper allows for a higher cooking temperature, perfectly even heat distribution, and a quick response time to temperature changes. The grooved handles are the hallmark of commercial-grade cookware.Catering withstands temperatures up to 1800F and can be used on gas, electric, or ceramic stove-tops. Oven-safe (please use oven mitts). Profiserie has an extra thick aluminum disk sandwiched between 18/10 stainless steel and comes with comfort grip stay-cool tubular handles. Profiserie can be used on gas, electric, ceramic, or induction stove-tops. Oven-safe (please use oven mitts). For your convenience, all Sitram pieces are available "open stock". Sitram does not force you into buying cookware sets to include items/sizes you don"t need. Get exactly what you need - not more, not less, and enjoy it for a lifetime. Let Sitram become your trusted partner in your kitchen. Bon Appétit! *NSF Founded in 1944, NSF International is committed to protecting and improving human health on a global scale. NSF International is an independent, not-for-profit organization that provides standards development, product certification, auditing, education and risk management for public health and the environment. Manufacturers, regulators and consumers alike look to NSF International for the development of public health standards and certification that help protect the world"s food, water, health and consumer products.