Singer Iron-On Patches are ideal for mending, reinforcing and decorating many different applications. These versatile 100% cotton patches can be decorated or die-cut and appliquéd to most fabrics (Not recommended for use on nylon, or rayon). Package contains two 5-inch-by-5-inch patches. Color: Black. Machine wash and tumble dry. Use dry iron only-no steam. Note: When cutting smaller patches, be sure to round corners. Blend of colors will change over time.