Cyalume ChemLight Military Grade Chemical Light Flexible Bands, 7-1/2" Length, Red (Box of 36) The 7-1/2-inches flexband is the ideal emergency marker The variety of colors allows for versatility Flexbands can be placed on wrist, stretchers, door knobs, tree branches or anywhere a marker is needed Combine flexbands together to mark larger areas Lightweight and durable, flexbands can be included in all rescue kits and are vital for triage during MCI situations and military operations