Clear silicone template. Helps achieve optimal heat transfer results. Fabric protected during application, making the process... Clear silicone template. Helps achieve optimal heat transfer results. Fabric protected during application, making the process easier, more reliable, and more professional. Print area : 5,5x6cm. Designed for : BF337 Appliqué Patch Beanie and BF338R Appliqué Patch Pom Beanie. External dimensions of the template : 23x11cm.