Scent-A-Way Bio-Strike Odor Control Spray is a ground-breaking patented formula that is third-party lab proven to be twice as effective as other hunting scent elimination formulas on the market. Bio-Strike uses Nanoshield technology to increase molecular surface area for increased odor elimination efficiency. Atomized molecules attack bacterial and fungal odors, while continuing to fight and prevent odors even after application. This formula is so powerful, it is only offered as colorless and odorless (any natural earth scents are instantly destroyed when applied to the formula). Spray down before going into the field to completely destroy and prevent odors that will come between you and your prey. Bio-Strike is perfect for whitetail deer, mule deer, elk, moose, caribou, and predator hunters. The spray comes in an easy-to-use spray bottle for quick and fast application.