I-SMILE Newest Replacement Wristband with Secure Clasps for Fitbit Alta/Fitbit Alta HR Only(No Tracker, Replacement Bands Only) Replacement wristband with secure watchband-style closure to keep your Fitbit alta on your wrist. Made of high quality TPE + TPU Rubber. Comfortable, durable and waterproof. 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. No Tracker or other parts! For Fitbit Alta Band only!(Not for For Fitbit flex, blaze, Force or other models(Note: Fitbit Alta Fitness Activity Tracker is not included)