Applicable models: Compatible for POLAR M600Main material: SiliconeNet weight: 28gGross weight: 30gStrap length: 94mm+137mmWidth: 26mm1¡¢1. The size can be adjusted according to the condition of the wrist. 2¡¢2. Food grade silicone, environmentally friendly, soft and comfortable to wear. 3¡¢3. Unique sports wicking and skin-friendly design. 4¡¢4. With snap-on design, it is easy to update and replace.1. The shipment does not include the watch host.2. Due to manual measurement, different measurement methods and tools may have slight size deviations.3. Due to the different shooting light, angle and display screen, the image may not reflect the actual color of the project.4. Due to manual measurement, please allow a difference of 1-3mm.1*Watch strap