SABRE combines both an irritant (CS Military Tear Gas) and an inflammatory (Oleoresin Capsicum/Red Pepper) to produce a blended formulation, which is superior to all single ingredient defense sprays. SABRE provides you with the following advantages: 5x's more shots per canister - most key chain units contain approximately five (5) shots while SABRE contains approximately twenty-five (25). Advanced 3-In-1 Formulation provides increased stopping power. UV Marking Dye for suspect identification. 4 year expiration date is up to 2 years longer than most other sprays. Guaranteed Heat - Security Equipment Corporation's High Preformance Liquid Chromatography (HPLC) Laboratory scientificaly ensures heat specifications are met in every canister. No other manufacturer provides on-site HPLC technology to guarantee the strength of their sprays.