Bag of 100 Nelson Deter-It Less Lethal .68 caliber projectiles. Gelatin projectiles containing a proprietary dense, non-toxic, environmentally friendly liquid that is non-staining and biodegradable. These projectiles deliver approximately 17 ft/lbs. of kinetic energy to a suspect or animal and compel deterrence of undesired behavior and compliance without penetration or other serious injury. Can be used with any standard .68 caliber paintball gun. Accurate on targets up to 100 feet. Weight: ~3-3.5gram per ball. For military, law enforcement or professional institutional use and should never be aimed at a person's face, eyes, groin, throat or spine. Not for Paintball! Always use under proper supervision.