10pcs aluminium gas burner liners round shape diameter 23cm square shape 23*23cm. our gas burner covers are thicker than others on the market, the non-toxic aluminium we use is heat resistant and safe in your home and around foods. our square gas stove liners were designed to fit all stove tops, if needed, you can simply cut to size using scissors. 10pcs thicken aluminium stove protector cover gas stove burner liner stovetop cleaning pad mat kitchen accessories disposable.