Using these multi - buckle harness belts is easy. Just wrap the belt around your waist and fasten the buckles. You can adjust the tightness according to your comfort. When it comes to maintenance, use a soft, dry cloth to wipe the belt regularly to keep it clean. Avoid exposing the belt to harsh chemicals or excessive moisture. Also, be aware of the California Proposition 65 Warning. If you have any concerns about the chemicals in the product, visit the provided website for more information.