To use this belt, simply pass it through your belt loops and fasten the metal buckle. It's very easy to put on and take off. As for the elastic part, it gives you a comfortable fit and allows for some stretch. When it comes to maintenance, you can gently wipe it with a damp cloth to keep it clean. However, avoid using harsh chemicals. Also, remember about the California Proposition 65 warning. Since this product contains cadmium, lead, and nickel, try not to let it come into direct and long - term contact with your skin. Keep it in a dry place when not in use to prevent any damage to the elastic or the buckle.