The Scent-A-Way 07901-1 Bio-Strike Odor Control Spray is a new ground-breaking patented formula that is third-party lab proven to be twice as effective as any other hunting scent elimination formula available. Uses Nanoshield technology to increase molecular surface area for increased odor elimination efficiency. Atomized molecules attack bacterial and fungal odors, while fighting and preventing odors even after application. Spray down before going into the field to completely destroy and prevent odors that will come between you and your prey. Perfect for whitetail deer, mule deer, elk, moose and predator hunters. This spray is colorless and odorless. Bio-Strike Odor Control Spray has a limited lifetime warranty. Serious hunters prepare with Scent-A-Way!