High Temperature Gasket - Made by Graphite Impregnated Fiberglass, will not burn and withstand to temperatures of 1100F | Grey Color Gasket - Similar to the wood burning ash color can make the stove door looks cleaner than black gasket | Graphite Impregnated Fiberglass - makes gasketing more abrasion resistant | 7/8 Inches Rope - This size of fiberglass rope can be applied to most stove doors as this braided structure can make the fiberglass rope thicker or thinner by hands during the installation | 72 Inches Length Rope - Long enough for most of stoves and fireplaces door gasket one time replacement, easily be cut by knife or scissor