Pro Sports Baseball, Hockey, Football, Basketball Numbers & Letters. Can be also used for little leagues, colleges, organizations, etc. Quick shipping, quick turnaround time. Letters can be ironed on or sewn on. You can use a normal household iron, or a heat press is recommended. Pro Patches USA has top quality authentic sports twill at the best prices on the net. Price is per letter or number/per color. Order 1 or 1000, it doesn't matter. Price discount given on quantities. Each number or letter can be used as an iron on application, or a sew on/stitch on application.