This 16 oz. Streetwise 18 pepper spray comes with a pistol grip making it easy to grasp while spraying your attacker. It is large enough to handle any situation. Perfect for spraying crowds. With a safety lock and UV marking dye. Streetwise 18 Pepper Spray has a CHR of over 180,000 SHU (1.19 Total Capsaicinoids) making it one of the hottest, most effective self-defense sprays on the market. For comparison, the independent laboratory tested competing brands. They found the average heat rating to be 123,000 SHU, making Streetwise 18 over 46% hotter than the competition!