To use these belts, simply fasten the two buckles around your waist. They're great for adding a touch of style to your outfit. When it comes to maintenance, keep them away from sharp objects to avoid damaging the rhinestones. You can clean them with a soft, dry cloth. Remember, due to the chemicals in the product, don't let it come into contact with your skin for extended periods. If you have any concerns about the chemicals, refer to the warning on the product description and visit the provided website for more information.