The back is hook. The image shows you what you are getting, both how the patch/patches look and the quantity, unless otherwise noted.
Square Blank Patch 4 x 4 White Patch w/Black — AllStitch Embroidery Supplies
Blank embroidery patches 4x10 and 2x5 hook on back
Blank green and gold. The back is hook. Need a Custom patch?. The image shows you what you are getting, both how the patch/patches look and the
Blank embroidery patch 4x10 and 2x5 inches hook od green and gold
ENFORCEMENT Armed Agent Embroidery Patch 4x10 and 2x5 Inches Hook Backing Black Fabric White Letters
FORENSICS Embroidery Patch 4x10 and 2x5 Inches Hook Backing White Letters
Blank Velcro Patches - All Day Ruckoff
Embroidered Paches from Heavy Duty Threads Highest Quality Materials Hook & Loop Backing Made in the USA
Embroidered Patch Ranger Embroidery Patches 4x10 and 2x5 Hook ON Back
Patches - Chest & Back - Blank - Hero's Pride
POLICE TRAFFIC UNIT EMBROIDERY PATCH 4X10 AND 2X5 HOOK ON BACK BLK/WHITE
Blank Velcro Patches - All Day Ruckoff
Embroidered Patch P FS Embroidery Patch 4X10 and 2X5 Hook on Back Gray : Arts, Crafts & Sewing
Custom Blank Patches – Create Your Own Blank Embroidered Patches