No Bad Trips 3.5" tall patch, iron-on Ironing Instructions 1. Set the iron at medium heat, with no steam.2. Placing a towel over the patch is suggested to avoid burning.3. Apply heat for 30 seconds or until the patch is fixed in place. Let cool.4. It is normal for the patch to shrink a bit as the glue bonds to the fabric.5. Patch is washer and dryer safe.6. Have fun!