Wholesale Distributor by Rothco Military Style Armband ID Holder allows for quick, easy display of identification held visibly on your arm with a 4.25” x 3.25” ID window and 2 adjustable hook and loop closure straps. This military style id holder also features a 1” pen holder. The tactical armband ID holder is constructed of durable 500D Nylon and plastic/pvc. WARNING: This product contains a chemical known to the State of California to cause cancer, birth defects and other reproductive harm.