I-SMILE For Fitbit Alta HR and Alta Bands, Colorful Adjustable Replacement Wristband for Fitbit Alta HR/Fitbit Alta Bands(No tracker, Replacement Only Replacement wristband with secure watchband-style closure to keep your Fitbit alta on your wrist. Made of high quality TPE + TPU Rubber. Silicone material with stainless steel buckle. Comfortable, durable. The Fitbit accessory is a one size fits most wrists, Designed to fit most wrists (size: 5.5 inch - 8.9 inch). Delighted varied color fits your mood and outfits in daily life. Not only sporty but also fashionable accessories,Creates a strong statement for yourself. The Fitbit accessory band is specifically designed for the Fitbit Alta HR/Fitbit Alta. No Tracker or other parts! For Fitbit Alta HR/Fitbit Alta Band only!(Not for For Fitbit flex, blaze, Force or other models(Note: Fitbit Alta Fitness Activity Tracker is not included)