Features:100% brand new and high qualityComfortable and flexible: The durable and soft silicone wristband can improve airflow and comfort, bringing you a comfortable wearing experience. Easy to install: it only takes a few seconds to install the strap on your watch. Personalize your device: personalize your smart watch from work to exercise. Suitable for any occasionThe material has no harm to human skin and is not allergic. Compatible with Polar Grit X. Package Includes:1x Silicone Strap Specifications:Material:Silica GelSize:Approx.13.5x2.2x2.2x9.4cm/5.31x0.87x0.87x3.7inchesColor:Army Green/Black/Blue/Lime/Light Green/Orange/Red/White/YellowCompatible with Polar Grit X note:1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.