Mace pepper spray is a 10% solution in a nationally reknowned brand name. Superior formula of high-grade OC PEPPER is designed to make the eyes slam shut, cause uncontrollable coughing and choking, plus a painful burning sensation. Contains UV (ultraviolet) dye for easy indentification. This is the original Mace Brand name pepper spray. Mace has been a pioneer in making defensive sprays available to the public. They have continuously improved their products to remain the number one supplier of self defense sprays.