Metal Fitbit Band- Compatible with Fitbit Inspire & Fitbit Inspire HR, Stainless Steel Magnetic Replacement Band Size Small Listing is for band only, not the Fitbit itself. Small size fits for 5.3" - 8.2" wrist. Large size fits for 5.7" - 9.4" wrist. The strong unique magnetic closure clasp holds your fitbit inspire hr secure and easy to resize to the most comfortable length for you with no buckle