Nice choice: High-visibility 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 regulations, all front-line security personnel must display their license, and these arm badge holders keep the license displayed in an easily visible position. Durable material: The license arm badge holder is made of durable, waterproof material. It features an adjustable strap to fit various upper arm sizes, improving comfort and ensuring a secure fit. It is strong enough to withstand repeated use. Time saving: The armband card holder allows your ID card to be clearly displayed through a transparent window. This makes identification quick and easy, eliminating the need to search through wallets, handbags, or cases. High recognition: The arm card holder is reflective and waterproof, making it easy to identify. The card inside can be easily viewed and it complements high-visibility vests and coats. Suitable for security personnel, bodyguards, doormen, and emergency staff. It can also hold a parking pass—simply wave your arm at the card reader, convenient for motorcyclists. Package contains: 2 ID card arm badge holders in black and fluorescent green. Different colors meet the needs of various work environments.