Features:Easy to install: it only takes a few seconds to install the strap on your watch. The material has no harm to human skin and is not allergic, sending tools and steel needles.Personalize your device: personalize your smart watch from work to exercise. Suitable for any occasionUsing high-quality raw materials, soft, non-toxic and odor free; waterproof and durable and has a long service life.Comfortable and flexible: The durable and soft silicone wristband can improve airflow and comfort, bringing you a comfortable wearing experience. Package Includes:1x Smartwatch Bracelet1x Tool2x Steel Needles Specifications:Material: SiliconeLength: Approx. 140+91.5 mm/5.51+3.6 inWidth: Approx. 27 mm/1.06 inColor: Army Green/Black Grey/Black Red/Grey Green/Pink Red/Red/White GreyApplicable Models: Compatible with Polar Vantage V2 note:Please allow 1-2cm errors due to manual measurement, Due to the difference between different monitors, the picture may not reflect the actual color of the item.",