Brand new in package, Imperial GA0186 5/8-in x 6-ft gasket rope and gasket adhesive Replacement gasket for stoves, fireplaces, and furnaces. Prevents air leaks and improves efficiency Withstands temperatures up to 1000°F (538°C) For use with stoves, fireplaces, furnaces Kit includes white 5/8-in (W) x 6-ft (L) gasket rope and 59 ml (2 fluid ounce) bottle of gasket adhesive