PRODUCT DETAILS From work to workouts and more, this Fitbit Alta leather band matches your style. PRODUCT FEATURES Personalize your Fitbit Alta tracker PRODUCT DETAILS Small fits wrists 5.5" - 6.7" in circumference Large fits wrists 6.7" - 8.1" in circumference Fitbit Alta Leather Band Sizing Tool Manufacturer's 1-year limited warranty For warranty information please click here For information about the modified return policy, please click here Model no. FB158LB Due to its contents, this product cannot be shipped via our Priority Service or sent to Alaska, Hawaii, P.O. boxes, and/or APO/FPO military addresses.