The Rimage Blu-Ray Media Kit Everest 400/600 - 500 50GB BD-Rs, 1 CMY Ribbon, 1 Retransfer Ribbon provides all the supplies you need to produce high quality discs. The kit is a matched set of printing supplies and discs including the Blu-Ray discs, CMY ribbon and Retransfer ribbon. The Media Kit is convenient, reliable and competitively priced. Maintain consistent publushing performance for all discs with superior performance. Designed for the Everest's stunning color, amazing speed, and unprecedented durability. Rimage Everest 400/600 Blu-ray media kits bring you industry leading quality, reliability, and the fastest write speeds available, disc after disc - packaged for performance and convenience.