It is totally odorless when you first put it on and keeps you totally odorless all day. It prevents odor causing molecules from forming a gas, therefore there is nothing to smell. It is common for hunters using Scent Killer® to have deer pass within 20 feet of them (downwind) and never show any sign of smelling them. 560 – One quart bottle and a 4 ounce camouflage pump spray bottle combo. 36 total ounces. 564 – Power Pack includes large 42 fl. oz. bottle with integrated 24 fl. oz. trigger spray bottle (Special nested design)