MaxMall Pack of 12 Silicone Fastener Ring for Fitbit Flex Wristband /Wrist Band Bracelet- Fix the Clasp Fall Off Problem - Connect and Secure Your Fitbit Flex(Mixed Color) Comfortable wearing experience.and durable silicon made . Keep Your Fitbit Safe:One loop can already keep your wristband safe, Many Fitbit owners complains they lost their Fitbits because their wristband easily fell off. Rainbow 12 Pack Fastener Include 10 Colors : The pack comes in black (2 pcs), white(2 pcs), green, yellow, orange, blue, light blue, red, pink and purple Multiple Colors: 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 Fiits Fitbit Flex Only : The size of the silicone rings have been specially designed to fit the Fitbit Flex. It does NOT fit other activity trackers or wristbands.