I-SMILE Newest Replacement Bands with Metal Clasps for Fitbit ZIP (No tracker, Replacement Bands Only) (Free Size) The Fitbit ZIP accessory is a one size fits most wrists size (175mm-240mm / 6.89inch-9.45inch), adjustable watchband-style closure design. Free size fit your wrist depend on button site you place. Comfortable for sporting time,Look good no matter what you are wearing. Come with a secure clasp and a watchband-style closure to protect the band from falling off, to wear easily and to make a new style wristband for you. Fitbit Zip replacement wristband makes your Zip like wearable Fitbit FLEX/FORCE/CHARGE and turns you Fitbit Zip like a watch. NOTE:No Tracker or other parts! For Fitbit ZIP Band only! Not for Fitbit one or other Models! Replacement Rubber Bands with Clasps Only.