Silicone, is the pure material for excellence. The process of the making is rather complex. The molding is made through a vacuum process at very high temperatures, much higher than the ones used for rubber. For this reason is possible to supply badges in silicone also in heat-seal version applyable with a professional press.
Due to the purity of the material, you have to avoid very small details. Unde a milimeter of thickness, the silicone becomes fragile and it risks the breaking under the stitching points in the application.
It’s recommended for children’s wear and in garments with technical materials and details.