MACE DEFENSE SPRAY. Pepper Spray is the number one self defense tool in the US. As crime rises, so does the number of people who carry pepper spray. Mace is a 10% solution that either contains OC pepper, tear gas, or both. OC causes the eyes to slam shut, uncontrollable coughing and choking. Tear gas causes disorientation and intense facial burning. Mace defensive sprays contain a UV dye which may aid in identification if apprehended. Perfect for men and women's self defense. Mace has been around since 1970. Made in the USA. Mace Brand pepper spray is 100% TSA/FAA compliant for checked baggage airline travel. For any questions, please check with the airline.