This is a set of two genuine Coleman #51 rosette-style mantles. This mantle is designed to be easily slid into place on the tip of the post and must be unfolded into a sphere-like shape. Then tie it into place tightly. Be sure to pre-burn the mantles in a ventilated area before using your lantern. It may be a good idea to keep extra mantl...Read morees around; they are easily damaged after the pre-burn step and will be un-usable. This listing is for one package of two mantles.