a laminate including a substrate , an antibacterial agent - containing layer on a surface of the substrate , and a moisture triggering layer on the antibacterial agent - containing layer is provided , wherein the antibacterial agent - containing layer contains a volatile antibacterial agent , and the moisture triggering layer contains a hydrophilic polymer such as polyvinylpyrrolidone . the laminate releases a relatively larger amount of anti - bacterial agent in vapor form in a humid environment in comparison with a dry environment .