Material: Natural rubber replaces the watch band loop which is flexible and easy to install just stretch/slide it over the buckle. It only takes a second to replace Compatible with Garmin QuickFit 20 mm Watch Bands compatible models:Fenix 5S Fenix 5S PlusD2 Delta S Fenix 6S fēnix6S – Pro and Sapphire EditionsForerunner 245vivoactive 3 strap Note: Since there are many compatible models of ring belts you must carefully compare whether the models are suitable before purchasing Included packaging: 2 *loops After-sales guarantee: If you have any questions please contact us. We will do everything we can to make you a satisfied customer. Guaranteed exchange or refund