Measures 3 3/8 x 1 5/8 Inches Iron-on Backing - Easily attach the patch using an iron with the heat activated glue backing or sew onto your garment. We advise to sew on more intricate patches or patches that will see a lot of use or rubbing against. Quality embroidered patch with laser cut edges - makes for a no fray and clean edge Customize your clothing with unique patches! Includes Clayton Jewelry Lab's Extended Manufacturer Warranty Atlas Moth Embroidered Iron-on Patch