Nice choice: highvisibility security ID arm badge holders are ideal for employees in the security industry, including engineering security personnel, access control supervisors, emergency workers and more According to the law, all frontline security personnel must display their license and these arm badge holders can always keeps the license displayed in an easily visible position Durable material: license arm badge holder is made of durable material, sturdy and waterproof It has adjustable strap for various sizes of upper arms in order to improve comfort and ensure a firm fit and is strong enough to withstand numerous fittings on or off the arm Time saving: armband card holder allows your ID card to be displayed clearly through a transparent visual window If you need a security pass to see quickly and clearly, this holder is a good choice, which is so much easier than searching in wallets,handbags or cases High recognition: arm card holder is reflective, waterproof, easy to identify, and the card inside can be easily viewed It matches other high visibility vests and coats, suitable for bodyguards, doormen, and emergency staff, security personnel, etc. It is also good to fit a car park pass into, just wave your arm at the card reader, nice for motor bikers Package contains: you will received 2 pieces ID card arm badge holders in different colors, black and fluorescent green Different colors can meet the needs of different occasions