Material Nylon .Metal type metal type .Clasp type spring bar .Plicable wrist circumference: The adjustable range of this clock band is 12.5cm-18.5cm, and the length of your watch is the appropriate wrist range, please make sure you measure your wrist environment to ensure that it is suitable before you buy it. Compared to the perforated silicone or skin belt, it has a more flexible setting range. More friendly for users with small or large wrists. Measure the shoes of the group and Spring Bar where they meet the watch bag. The width of the watch shoes must be exactly the same as the width of the selected band or the spring bar will not fit correctly. Please measure the width of your watch to verify the compatibility before purchasing and measure the shoe width of your watch. The light material will not bring any load to your wrist even when exercising. The end of the band is equipped with 5 velcro, it is easier and more powerful to adjust the belt. It won't fall like other straps. The belt can be fixed or removed with a soft pressure, which can make its change very quickly. No need to be a vehicle. It is always suitable for changing the right belt. You can choose color according to your personal preference. Our products include 1 year warranty, please do not hesitate to the after -s team for any problems.