1Silicone Material: The replacement strap of the watch is made of environment friendly and odorless silicone to prevent skin irritation. It is durable, soft, sweatproof and waterproof to keep your wrist comfortable during intense workouts. 2Adjustable: This band fits most adult wrists and fits wrist sizes 51 inch to 85 inch. Easily adjust the length to fit your wristband. 3Stainless Steel Pin: The finely crafted connector seamlessly integrates into your strap interface with a clever latching mechanism. 4Simple Installation: This strap is very easy to install and remove, without unnecessary complicated operations, you just need to buckle the strap on the watch or remove it to complete the installation and removal. 5Compatibility: This breathable silicone watch sports band is compatible with for COROS vertix 2 and for Garmin Fenix 7X, 6X, 5X and other 26mm smart watches for men and women.