This cooking grate is made from the highest quality plated steel material. The highly durable material won’t warp or rust over time. Health and safety, strong corrosion resistant. Wash directly after use and cooling down, keep the cooking grate clean without oil residue.It is recommended that you soak it in warm water with a stainless steel cleaning agent. Do not scrape the surface of the grate with sharp objects. After cleaning, dry the water on the grate and keep it dry. Easy install to your grill. Quality material,extremely durable. Perfect fit, work well,made your grill like new again.