Sabre CS DPS SeriesSabre alcohol base Dual Propellant System (DPS) features the latest advancement in deployment technology by combining Dupont's pharmaceutical greade Dymel 134a/P with nitrogen gas. Containing 1% CD MILITARY Tear Gas, Sabre CS is the prodcut of choice for Canine Units. The US Department of Defense, in their Edgewood Arsenal Publication, found CD to take effect quicker, be significantly more potent and less toxic than CN Tear Gas. *Please note that all pepper sprays must be shipped by Ground and not by 2nd day or next day air..