Package Include: 4Pcs Iron On Sew On Embroidered Patch. Material: Fabric, with the hot melt glue on the back(Can be sew on or iron on) HOW TO USE THE PATCHES : 1. Heat the iron to a moderately high temperature that would not burn the fabric. 2. Place the patch face up at the desired location on your garment. 3. Cover the patch with a piece of fabric. 4. Apply pressure for about 30-50 seconds without moving the iron. 5. Once the garment is cool, turn it inside out and iron the back of the patch for 10 to 30 seconds. 6.If you want the applique more secure, you can sew along the side of the edges. 7. Now enjoy your brand new customized garment with the new patch!