Emergency Medical Care First Responder Patch Embroidered Iron on Badge / 3 Inch DIY Applique First Aid CPR AED Brand New - Embroidered Iron on Patch Patch measures: 3 Inches (Diameter) Heat seal backing for fast + easy apply with standard household iron. Patch can be applied to almost any material - Bags, Hats, Jackets, Denim, Cotton, Polyester etc... Full Iron-On Application Instructions are Included