Black Nomex (Pro) Self Stick Replacement Big Green Egg Gasket High Temperature Large XL Black Nomex, 800F flame proof (3M brand) 180" x 7/8" x 1/8" (15 feet long) LavaLock Ultra-Temp self stick backing Won't burn or melt. Much better than factory BGE wool. Fits All Big Green Egg & All Primo Grills