Safety Leash Pouch/ Holder/ Case/ Bag/ Clip for Fitbit Flex Wristband, Fitbit One Clip, Fitbit Zip Misfit Shine, Withings Pulse O2, Sony Smartband. Helps Save Pedometers From Loss Safety Leash + 1 pouch for fitbit one, fitbit flex, fitbit zip, misfit sony smartband, Withings Pulse, sony smartband pouch size: 1.18 inch X 2.25 inch X 0.8 inch (3cm X 6cm X 2 cm). it can loop through most belt/strap of up to 1.5 inch thickness (4cm) it fits any tracker up to 20 mm wide X 47 mm tall X 10 mm thick special design LOW WEIGHT- Durable nylon pouch for fitness tracker, convenitent to use