With these ESD containers you can protect your electronic components from the typical electromagnetic interference (EMI), electrostatic or induced fields. To prevent the build up of an electrostatic charge these containers are made with a conductive barrier in mind to keep these fields from penetrating. With these shelf bins you can access your stored items quick and efficiently with the hopper front and the label holder will provide fast identification. Be sure all units are properly grounded according to your use. Sold in carton quantities of 30.