Chenille and Glitter Patches - Very high quality and detailed design iron on patch!! 11in x 11in These come with adhesive backing that is heat activated, we recommend applying with a heat press. Can be used on 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! For all of your iron on DIY projects 1. Prepress area where you want to place the patch 2. Place your patch down on the garment 3. Cover your patch/patches with Teflon 4. Press your design for 30 seconds at 350 degrees 5. Flip the garment inside out and press for another 30 seconds 6. Let it cool off and check to make sure all areas of the patch is firmly in place. Repress if needed. Wash on gentle cycle, lay flat to dry. Do not use any fabric softener.