Made with platinum Silicone, prosthetic profesional silicone. It also include Pros-aid, is the standard in the industry for adhering appliances and other make-up components to skin. It is safe to use on all skin including sensitive areas. You will need isopropyl alcohol (not included) 2 colours, ligth and dark. Use makeup to change the color and adapt it to your skin color. You can also cut them to adapt