Dingtool Wrist Band Bracelet Armband with Normal Clasp Replacement Accessory for Fitbit Flex Activity (No Sleep Tracker) please note that the clasp is not the colorful clasp, it is just the normal clasp!!! Replacement Band for Fitbit Flex Jelly material armband, which is comfortable for Summer Large Size:6.3-8.3 Inches / 161-210 mm, Small Size:5.5-6.9 Inchs / 140-176 mm