These High Quality 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! • Size (Approx): 2.25 inches tall by 2.75 wide • Backing: Iron On These particular patches cannot be applied to any type of surface that would melt when high heat is applied to it. The patches should be applied with a professional heat press. 𝐇𝐞𝐚𝐭 𝐏𝐫𝐞𝐬𝐬 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧 𝐈𝐧𝐬𝐭𝐫𝐮𝐜𝐭𝐢𝐨𝐧𝐬: When applying the patch with a heat press, set your temperature to 325 degrees Fahrenheit, the timer to 30 seconds, and the pressure to medium-firm. 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.