Black band compatible with Garmin vivosmart HR.Black/White/Blue Embossing band compatible with Garmin vivosmart hr+, Approach X10/X40 Perfect Silicone replacement with mental buckle for lost or damaged watch band 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 watch band Adjustable strap band fit for all. Small yards black band for HR style wrist circumference is approx. 13-19CM (5.1x 7.5inch). Big yards black band for HR style wrist circumference is approx. 15.5-22.9CM (6.1x 9inch). Band for HR plus style is one part of band is approx. 12.5cm (4.9inch) and the other one.