Ergodyne - EGO19950 3386 Arm Band ID/Badge Holders are designed to easily access your ID and reduce the chances of losing your badge. Elastic band with hook-and-loop closures adjust to fit a range of arm sizes. Band length ranges from 12" to 18". Durable, vinyl holder protects your badge for long-lasting use. ID holder fits most ID badges or access cards with dimensions up to 2-1/2" wide x 4" long.