Eityilla(TM) Smart Bracelet Accessories Silicone Fasteners for Fitbit Charge / Fitbit Charge HR Wristband KEEP YOUR Fitbit Flex SECURE: Too many Fitbit owners have lost their Fitbits because their wristband fell off. Do not be one of them. This simple and functional insurance will keep your Fitbit safe. Just slide the ring over the clasp when you put on your wristband, simple as that. Fits Fitbit Charge / Fitbit Charge HR ONLY: The size of the silicone fasteners are specially designed to fit the FITBIT Charge / FITBIT Charge HR ONLY. Easy to use: Slide the loop over the clasp when you put on your wristband as the picture showed Multiple Colors: 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 1 pack ( 18pcs,10 Colors ): The pack includes black*2, white*1, green*2, yellow*1, orange*2, blue*2, light blue*2, red*2, pink*2 and purple*2