Squids 3386 Arm Band ID/Badge Holder is designed for easy access and prevention of lost IDs and badges. An elastic band with hook & loop closure adjusts to fit a range of arm sizes or over bulky outwear. The clear window is made with durable vinyl for protection and long-lasting use. This arm band holder fits most ID badges or access cards measuring 4in x 2.5in // 10cm x 6cm. Available in 5 colors (black, orange, lime, blue and red) and also available in hi-vis orange and lime with reflective accent for enhanced visibility. Also available in 10-pack bulk options. It is ideal for those who work in warehouses, distribution centers, material inventory on construction and steel sites, airports and grocery/personal shopping.