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) : 1.25 inches wide by 1.75 inches Tall Backing: Iron On The patches can be applied with an iron or a heat press.