The MyID Flex Slider is a great way to display information that can be seen at a quick glance on your MyID Flex Nylon or Silicone medical ID bracelet. For those living with diabetes, epilepsy, autism, and other medical conditions this provides a way for people to know what condition you have right away. Fits the MyID Flex Nylon and Silicone bands only. Dimensions Inner width: 14.5 mm Inner height: 3.1 mm -- Outer width: 15.8 mm Outer height: 4.2 mm