Choosing the right adhesive for applying flatback crystals depends greatly on the surface you will be applying the stone to. For cotton and synthetic fabrics, E6000 adhesive is also a very popular choice for adhering to fabrics and hard surfaces. If you plan on applying flatback crystals to fabric only, consider the Swarovski 2038 and 2078 HotFix Crystals, which come pre-manufactured with a small amount of dried adhesive on the back. Adhesives on Hot Fix crystals are activated with a Hot Fix application tool or heat press. Hotfix stones make a great choice for making crystal transfers and appliques. If you are applying the 2088 to a metal, glass, or other hard plastic surface, a two-part epoxy is a great solution. Two-Part rhinestone epoxy offers durability and strong bonds to nonporous surfaces because of the chemical reaction that takes place during the hardening process.