Invisibility, is an invisiable avatar, for males only. It is rated GA, because there is nothing to see. When you apply this option, you will become invisiable and all the room will be able to see is your name and chat bubbles, if you talk. they could also see any extras you may be wearring. The best option is to remove all extras, and apply this skin, you will have to get dressed again in order to become seeable form.