Use scenarios: This Quality Embroidery Or PVC Veclro Patch Is Great For Kit And Apparel And Jacket,Cap,Backpack,Etc.Hook Backing To Secure Onto Loop Patch On Uniforms, Helmets,Outwear Or Fleece Jacket Sleeves, Tactical Vests,Bags, Backpacks, Etc Directions for use: 1. Spraying water on the back of patch. 2. Place patch on garment. 3. Adjust the iron heat as usually. 4. Cover patch with a piece of damp cloth. 5. Ironing about 10 to 20 seconds. 6. Turn garment inside out and ironing until dry.