Fitbit Alta HR and Alta Bands, MoKo Classic Replacement [2 PCS] Soft Wristband with Metal Clasp For Fitbit Alta / Alta HR Fitness Tracker, Fits 5.31"-8.07" (135mm-205mm) Wrist. Fits 5.31"-8.07" (135mm-205mm) wrist. Personalized Your Fitbit Alta / Fitbit Alta HR Smart Fitness Tracker with this refined replacement wrist band. Stylish and classic designed Band comes with Fitbit Alta / Fitbit Alta HR Watch Lugs on both ends, which locks onto Fitbit Alta / Fitbit Alta HR Band Interface precisely and securely. The release pins make the band easy to install and remove. Metal buckle clasp for closure. High quality TPU and TPE material for a fashion look. Comfortable, durable and water-proof.