Black Campus Safety Gel with Quick Release Key Ring features a gel formula ideal for college campuses. Virtually eliminates airborne particles and wind blowback and is exceedingly safe to use near bystanders and indoors. Quick release key ring allows for accessibility even when keys are in use, plus finger grip helps increase accuracy and enhances control. Greater protection at a safe distance - 25 bursts (up to 5x the competition) at up to 12' (4M) away.