11” single patch These Custom Grinchy Patches can be applied to denim, 100% cotton, and polyester/cotton blends on light and dark colored garments. They can be applied to robes, hats, bags, t-shirts, sweatshirts and so much more! Iron On Size: 11" x 4.33" Heat Press setting 350 degrees Fahrenheit, for 20 seconds. Using a fresh adhesive, lint-roll the surface of your garment where you will be applying your patch prior to prepressing to remove any lint. Pre-press your garment where patch will be applied for 3-5 seconds. Position patch on your garment, then cover them with Teflon sheet. Press patch for 20 seconds. Turn your garment inside out and repeat press for 20 seconds. Wash on gentle cycle, lay flat to dry, do not use fabric softener.