MDW Set 5 Pcs Replacement Slap Wristband Strap for UP Move Activity Tracker -Replacement Wristband ONLY, NOT Include the Tracker or Any Other Stuff Fit Perfectly to UP MOVE This is a Third Party Accessory in SLAP Strap Design that is Different than the Official bands Clasp Design Universal Size that Fit for Small and Middle Wrist (NOT for Large Wrist) Only Include the Replacement Slap Wristband, NO Tracker or any other stuff For UP MOVE ONLY, NOT for Other Models