?After Sales Service? If you have any quality problem within one year, please feel free to contact us. We will do our best to provide you with best customer service. ?Available Sizes? Small size for 5.5"-7.7" (140mm-195mm)wrist; Large size for 5.9"-8.5" (150mm-215mm)wrist. The size of this replacement Fitbit Versa 3 / Fitbit Sense leather band can be freely adjusted according to the circumstance of individual wrist, providing the best wearing experience. ?Multi-pore Design? The Air holes sport design let your wrist always feel comfortable and breathable. It will bring your wrists freedom breathe whenever you doing sport or working outside. ?Perfect Material? YILED watch band uses premium leather material with stainless steel buckle.The leather material is soft and durable, not irritate your skin, and is very comfortable to wear. ?Applicable Model? This leather band is perfect for Sense and Versa 3. (NOT FOR Versa 2 / Versa / Versa Lite).