These belts are super easy to use. Just wrap them around your waist and fasten them. They're great for adding a bit of sparkle to your everyday outfits or for dressing up for a special occasion. As for maintenance, keep them away from water and harsh chemicals to avoid damaging the rhinestones and the metal. When not in use, store them in a dry place. Also, remember the California Proposition 65 warning. If you have any concerns about the chemicals in the product, check out the website for more information.