Fox Labs Mean Green Pepper Spray features a searing 3,000,000 SHU formula at 6 percent concentration, provides 180,000 SHU out the nozzle and 1.2 percent total capsaicinoids, and a fast acting formula. Mean Green is also non-flammable and safe to use with tasers or other stun devices, and has a bright green dye to mark the offender for easy identification by police or sheriff officers. The dye has a vegetable-base and is safe for human use.