bayite Silicone Band with Watch Buckle for Fitbit Alta HR and Alta Replacement bands 5.5 - 7.8 inches Replacement Soft and Smooth Silicone Watch Band for Fitbit Alta HR and Alta Trusted watchband-style clasp to keep your fitbit alta on your wrist. Standard size : Fits for 5.5 - 7.8" wrist Silicone material: soft and smooth, comfortable materials for daily and nightly wear Watch Band w/ Clasp and Fastener Only. The Fitbit Alta Tracker is not included.