Value assortment of iron-on patches for mending and crafts. Set combines twill and denim in both large and small sizes, plus nylon pieces for technical garments. Compositions include twill 35% cotton/65% polyester, denim 100% cotton and nylon 100% nylon, offering solutions for varied fabrics. Great for knees, elbows, bags and appliqué; includes 20 pcs pieces and is washable when applied correctly.