CFX Replacement Wrist Band for Jawbone up Move with Metal Watch Clasp (Purple) CFX Replacement Wrist Band for Jawbone Up Move No Tracker Jawbone Up Move band comes with a secure watchband-style closure to keep your Jawbone Up Move on your wrist Jawbone Up Move Wrist Band make you more comfortable to wear,to solve the problem of falling off Wristband ergonomic, durable, moderate softness, very comfortable to wear, the size of the individual under the circumstances to adjust the wrist Size:6.4inch-8.4inch