Using these belts is easy. Just wrap them around your waist and fasten as needed. They're great for adding a stylish touch to your outfit. When it comes to maintenance, keep them away from water as much as possible to avoid rusting. Also, don't pull them too hard to prevent damaging the elastic. Remember the California Proposition 65 warning - this product contains chemicals like cadmium, lead, and nickel which can be harmful. So, handle it with care.