KOEAY 10-Piece Copper kitchen and cookware set about the Product KOEAY is the first Product of its class to actually utilize high-grade titanium and ceramic as surface finishing. This sophisticated combination not only ensures maximal durability it also allows for multi-functional, all-around usage. Titanium plus ceramic coating faqs high-heat threshold to sear perfectly browned steaks! everything just slides right off, even burnt chocolate and cheese. Food flavor is not altered when cooking tomato-based or any acidic food products thanks to the ceramic component! the non-stick surface cleans easily! versatile: for stove-top cooking, or baking! Rust-proof all over. The coating doesn't peel off with constant usage and washing. Included in the set 8.5-inch frying pan 10.25-inch frying pan lid for a 10.25-inch pan 1.5-quart pot lid for a 1.5-quart pot 2.5-Quart pot lid for 2.