SUITABLE SIZE: Each gasket is 1/8 inch thick, 13/16 inch wide, and 54 inches long. Please measure the size of your stove before purchasing. These replacement gaskets are suitable for wood-burning stoves and fireplaces. HIGH-TEMPERATURE RESISTANT MATERIAL: These damper seal gaskets are made of graphite-impregnated fiberglass. This material is wear-resistant and pressure-resistant with no unpleasant odor. It withstands temperatures up to 1022F (550C), making it suitable for high-heat environments. GOOD SEALING EFFECT: The 1/8-inch thick flat fiberglass gasket tape adheres securely to the stove. It provides excellent airtight sealing to help prevent smoke and ash from escaping, promoting a cleaner environment and improved safety. EASY-TO-USE ADHESIVE BACKING: Featuring a self-adhesive backing, these fireplace gaskets are simple to install. Just peel off the protective liner and apply directly to the surface. No additional adhesives or messy glues are required.