These 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): Approximately 2.15 inch wide x 1.5 tall. These particular patches cannot be applied to any type of surface that would melt when high heat is applied to it. The patch can be applied with an iron or a heat press.