SUITABLE SIZE: Each gasket is 1/8 inches thick, 13/16 inches wide, and 54 inches long. Please measure the size of the stove before purchasing. Our replacement gaskets are suitable for wood-burning stoves, fireplaces. You can buy them with confidence. HIGH-TEMPERATURE RESISTANT MATERIAL: These firewall damper seal gaskets are made of graphite impregnated fiberglass. This material is wear-resistant and pressure-resistant without any peculiar smell. Its limit temperature is 1022 f (550 C), which can well adapt to the state of furnace combustion. GOOD SEALING EFFECT: 1/8inches thick flat Fiberglass Gaskets Tape can firmly stick to the stove. Its excellent air tightness prevents smoke and ash from leaking out of the furnace. It will not only help you keep your space tidy but also try to avoid accidents caused by sparks. EASY-TO-USE ADHESIVE BACKING: Unlike Adhesive Cement, our fireplace gaskets come with self-adhesive backing that makes them easier to use. Just peel off the brown paper and it will stick well to the stove. There is no need to rush to squeeze glue, let alone worry about glue sticking everywhere.