MACE 10% PEPPER GUARD is a superior formula of high-grade OC pepper with 2 Million Scoville Heat Units, designed to make the eyes slam shut, causes uncontrollable coughing and choking, plus a painful burning sensation. The Mace 10% Pepper Guard comes in four models. The Leatherette Model that fits easily in your pocket or purse. The Pocket Model with an easy aim feature and finger grip. The Personal Model which is great for outdoor activities including walking and running. The Police Model that is the same size used by law enforcement. This model is ideal for auto and home use. All four models have the stopping power needed for personal protection.