The Mace KeyGuard Self Defense Spray is the smallest key chain unit on the market today. Unlike other brands the KeyGuard is only 3" long and easily fits on your key chain without adding bulk. The KeyGuard contains a powerful 10% Pepper formula that stops attackers. Simply move the safety cap to reveal the defense spray unit. The 3 gram unit sprays 6 short bursts that reach up to 5 feet. The KeyGuard is also refillable so it is ready for years of service. The 10% OC pepper formulation causes uncontrollable choking an intense burning sensation in impacted areas and causes the attackers eyes to slam shut on contact. The KeyGuard is a great companion for everyday carry and is easily carried on your key chain or inside your pocket where it is ready to defend you and your family at less than a seconds notice.