The WhirlyHop is a fun and colorful way to show your unique self expression at work, at school or at play! You can decorate your retractable ID badge holder with our hundreds of unique charm designs. Each design is instantly changeable to your existing retractable ID holder so you can switch the WhirlyHop when you change your outfit, your mood or your space! Each WhirlyHop collectible charm was individually designed and hand crafted by our very own WhirlyHop creative wizards right here in the USA. The WhirlyHop decorative cap fits all makes of retractable devices measuring 1. 25 inches across. So click on your favorite WhirlyHop design and bring a little personality to your uniform.