[Fireproof Material] Our fireproof gaskets are made of high-density ceramic fiber. [High Temperature Resistance] The thermal insulation material can withstand temperatures up to 2850 degrees Fahrenheit. [Features] The pellet stove gasket is fireproof, soundproof, and reliable. It provides dependable performance for your heating needs. [Easy to Cut] The furnace insulation pad can be easily cut to the desired size using a knife or blade, allowing for a custom fit. Color: White Material: Ceramic fiber paper Size: 25x18 cm Package Contents: 1 set x Ceramic fiber insulation (4 pieces) Note: Light reflection and differences in display screens may cause slight variations in color compared to the actual product. Measurement may vary by +/- 1-3 cm.