Fitness Sparkle Accessories, Compatible Fitbit Charge 2, Fitbit Alta, Fitbit Flex 2, Fitbit Charge HR, Fitbit Charge Fitbit Flex,Silver Trio Add a a lot of style to your fitness tracker band Accesible with Fitbit Charge 2, Fitbit Charge HR and Fitbit Flex Size Approximately 1" to 1 1/2" in Diameter Slides onto listed fitness bands easily Does not include band or fitness tracker