Our GuitarPlayerNails Fingernail Protector is a strong nail strengthener and protector. It will give you very strong natural fingernails that sound great. Unlike ordinary cyanoacrylate fingernail glues, this product adds less brittleness to your natural nail, and has no irritating odors. We include silk wrap with each order. For complete information and instructions, go to "Fingernail Protector" on our helpful Tips page.