Scent-A-Ways Bio-Strike Odor-Control Spray uses Nanoshield Technology to increase molecular surface area for increased odor-control efficiency. Atomized molecules attack bacterial and fungal odors while continuing to fight and prevent odors after use. Bio-Strike Odor Control Spray is nontoxic, and wont stain hunting clothes or gear. Odorless. Size: 24-oz. bottle. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Sprays.