Easy to adjust the length to fit your wrist. Contracted design style. Soft and comfortable. Silver aluminium buckle. Easy and direct installation and removal, with a disassembling tool kit. The strap length is adjustable. The silicone band lightweight and water-proof. Perfect Silicone replacement with mental buckle for lost or damaged vivosmart HR+, Approach X10, Approach X40.Adjustable strap band fit for all. Note: The band is for compatibility with Garmin Vivosmart HR+/Garmin Approach X10 / Garmin Approach X40 only, not fit Garmin vivosamrt HR. Replacement band only, not include watch. One part of band is approx. 12.5cm (4.9'') and the other one included clasp is approx. 9.5cm (3.74''). Band Material Silicone Style Blue Embossing Band .