Halt Dog Repellent Pepper Spray Personal protection spray against attacking dogs Contains .35% Capasicin, a naturally occurring extract of peppers. Safe yet effective! Causes temporary yet extreme discomfort in dogs when sprayed in the eyes and face. Halt brand is carried as protection by US mail carriers Measures 4.75 inches high. Fits easily in your hand or pocket. Comes with Belt Clip. Great for runners, walkers, cyclists, landscapers, kennel staff, and mail-carriers. Sprays up to 10 feet.