MDW Silicon Secure Fastener for Fitbit One , Protect From Falling Off It's Silicon Case, 7 Pcs 7 Mixed Color, Silicon Fastener Only, No Clip No Tracker fastener ring designed to protect the fitbit one from falling off it's silicon case never worry about the fitbit one tracker falling off the case problem include 7 pcs different color fasteners only, not include tracker, clip or any other stuff