This 20ml pepper spray with key ring is pepper spray ,also known as OC spray (from "oleoresin capsicum"),OC Gas and capsicum spray,is a chemial compound that irrigates the eyes to cause teats,pain and  temporary bilndness USD in policing,roit-control and personl self-defense including defense against dogs and bears. lt's inflammatory effects cause the eyes to close,taking away vision.This temporary blindness allows officers to more easily restrain subject and permits people using pepper spray for self-defense an opportunity to escape. OEM is acceptable.