Loop Belt protective case bag holder pouch for fitbit one clip, fitbit flex, misfit, sony smartband, Withings Pulse O2, wristband free. grey ONE PIECE, It fits fitbit one, fitbit flex, misfit sony smartband, Withings Pulse O2, sony smartband size: 1.18 inch X 2.25 inch X 0.8 inch (3cm X 6cm X 2 cm) It can loop through belt / strap of up to 2 inch width (5 cm) Used for sports & sleep. fashion gift for her / him. Having wore plastic holder for a season? time to use this new fabric holder for your fitbit one clip. chose the color to match your necklace clothes and style. low weight: 0.3 oz (9 gram). used as carrying case and holder for your fitness fitbit tracker.