This Coleman lantern mantle pack includes three packs of four mantles, for a total of 12 mantles. These mantles are designed for use with Coleman lanterns, specifically the #21 model. They are made from high-quality materials, ensuring a long lifespan and reliable performance. The mantles are easy to install and provide a bright and consistent light source when used with a compatible lantern. They are suitable for use with a variety of fuel types, including white gas, naptha, gasoline, and kerosene. Made in the United States, these mantles are a must-have for any outdoor enthusiast looking to illuminate their campsite.