These Korbond iron on knee and elbow patches are ideal for if your child rips or tears holes in their school clothes and you need a quick fix. They're great for embellishment and decoration with pre-punched sewing holes so that you can easily sew them on if you don't want to iron them. There are 2 patches in this for you to use and they're also machine washable for convenience. Specifications Iron or sew on Includes: 2 patches Machine washable How To Use Select a suitable iron heat for fabric, iron over patch for 20 seconds using an ironing cloth to protect the patch and fabric Gently test for bond If required, repeat step above until fully bonded Care Instructions Do not use on delicate fabrics Do not use the steam function to apply the patch Do not tumble dry