DIMPLES EXCEL 12 Silicone Fasteners for Fitbit Charge Wristband Fix the Clasp Fall Off Problem - Secure the Wristband in Style. Fits Fitbit Charge ONLY: Specially designed to fit the FITBIT Charge ONLY. It does NOT fit other activity trackers or wristbands. ONE pack (12Colors): The pack comes in black (3 pcs), white, green, yellow, orange, blue, light blue, red, pink and purple. One fastener is enough secure your wristband. You can add more and variation of colors to give fresh looks to your wristband. Easy to use: Slide the loop over the clasp when you put on your wristband as the picture showed. And this fastener is under Dimples Excel Life Time Warranty.