These Dark color Fish Paper rolls are easier to install with an adhesive backing that allows faster application. This Dark Color Paper allows for easy install confirmation from a distance and does not blend in with cable racks. Good dielectric insulating properties as required in all Telecommunication Power Installations. These rolls are 3″ wide & 25′ long with the adhesive backing for even easier installation. The fish paper is 10/1000″ thick or 10mil thick. Our Fish Paper is never joined and are all continuous rolls.