Bradychan Smart Magnetic Clasp Silicone Clip Strap Compatible with Fitbit Flex Wristband Bracelet Activity Tracker Monitor 2Pcs Set (blue+rose) Specially designed for fitbit flex sports tracker Silicone material and lightweight, Easy to install and carry around Multi-color options, give you comfortable wearing experience The magnetic clip can adsorb closely your Fitbit Flex Sports Activity Tracker Monitor and prevent your fitbit flex tracker monitor from missing. Clasp clip only, the flex bracelet monitor in the pictures is not included.