The Black Ultraviolet Glass Jar Modern Screw On Lid Made Of Heavy Duty BPA-Free Plastic.Contemporary Design.

Modern screw on lid made of heavy duty BPA-Free plastic. Contemporary Design. Perfect On the Go Size for Backpacks, Bags and Travel.t prevents harmful visible light rays from penetrating and degrading your stored products, while at the same time allowing beneficial UV and infrared wavelengths of light that can kill molds, algae, and bacteria.