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): 3 inches wide, 2.25 inches tall • 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 can be applied with an iron or a heat press.