Vastar (10 Packs 10 Colors Silicone Fasteners Ring for Fitbit Charge HR/Fitbit Charge Wireless Activity Bracelet Sport Wristband (10 pcs/pack) New Version with Clean and Brandnew Material: More beautiful and clean, and are not easy to deformation Fits Fitbit Charge HR / Fitbit Charge ONLY: The size of the silicone fasteners are specially designed to fit the FITBIT Charge / FITBIT Charge HR ONLY Keep Your Fitbit Charge HR / Fitbit Charge Safe: Many Fitbit owners complains they lost their Fitbits because their wristband easily fell off. Our Silicone Fasteners can keep your FITBIT Charge / FITBIT Charge HR safe;Tracker NOR Wristband included Easy to use: Slide the loop over the clasp when you put on your wristband as the picture showed 1 pack ( 10 Colors ): The pack includes black, white, green, yellow, orange, blue, light blue, red, pink and purple. One loop can already keep your wristband safe, you can add more bands for a splash of colors on your wrist. With the multiple colors you can try millions of ways to vary the looks of your wristband