The hat patch is well crafted with good trimming, edge cutting, polishing and some other sophisticated processes, can stay in the original states as time goes by, not losing luster or even deforming in a short time. You can send the leather patches to your friends, family, neighbors, classmates and more. The ideal gift can bring them a lot of convenience and enhance your relationship. Specifications: Material: artificial leather Color: brown Size: Rectangular: approx. 3 x 2 inches Round: approx. 2.5 x 2.5 inchesMeterial: High quality embroidered cotton material, with hot melt adhesive on the back, easy to iron How to Use: you can put cotton fabric on the fr patch to secure the cloth before ironing, than set iron to "COTTON", 100-150 degrees, for more than 30 seconds. You'd better sew them if you want keep them on and never fall off. You can use these FR patches for all kinds of FR clothes