Quantity: 20pcs Material: Embroidery + non-woven fabric Size: 2.7*3cm/1.1*1.2inch A fun and simple way to decorate your clothes by sewing or ironing appliques onto your t-shirts, jackets, bags, hats and more How to use a. Sew on For some backpacks, hats and thick fabrics, ironing on may not work well with, you can consider sewing them by machine or hand. b. Iron on(it has hot melt adhesive on the back) 1. Set your iron to the hottest temperature. Don't use steam during use! 2. Put the embroidery patch in the desired position and place a pressed cloth (such as a handkerchief, sheet or pillowcase fabric) over it. 3. Press the iron stagiht for 35-45 seconds with as much constant pressure as possible. Don't walk back and forth. 4. Turn the clothes over and repeat steps 2 and 3. 5. Let the embroidery patch cool. 6.To make it stronger and more durable, we recommend that you simply stitch it after ironing.