Using this Crest mirror is easy. You can hang it in two different ways according to your preference and the layout of your room. Just make sure to use appropriate hanging hardware to support its 21 - unit weight. When it comes to cleaning, use a soft, dry cloth to wipe the mirror surface and the frame. Avoid using abrasive cleaners as they may scratch the satin black finish. Also, be aware that this product contains nickel, which can be harmful. Keep it out of reach of children and pets. If you have any concerns about the CA Prop 65 warning, refer to the website www.P65Warnings.ca.gov/furniture for more details.