TDK Recordable Compact Discs (CD-R) offer high-density storage and superior audio recording. TDK discs are high-reliability, high-durability media that incorporate the latest TDK third-generation CD-R technologies, including ISOPURE recording dye technology utilizing a re-tuned MSi (metal-stabilized cyanine) recording material for higher sensitivity and improved Reflex Mirror Tuning reflective layer technology. TDK CD-R discs are compatible with all types and speeds of CD-R writing systems and are playback compatible with all CD-ROM drives and audio CD players. This product includes a high-quality shiny cakebox. The cakebox holds 50 CD-Rs.