You can install and remove the watchband easily, and this wristwatch band is soft and comfortable. The silicone wristwatch band provides full screen view and full access to all button and ports. You can adjust the watchband according to your wrist circumference. Premium silicone material provides soft and comfortable wear. The length is 11cm+9.2cm, and its width is 2.1cm. It is specially designed for Polar A360 A370 Item Name: Wristwatch Band Material:Silicone Compatible Models: for Polar A360 A370 Size Details: Length: 11cm + 9.2cm/4.33" + 3.62", Width: 2.1cm/0.83" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 X Wristwatch Band(Wristwatch Not Included)