This is the same product as the jcdr-zz-sk except that the packaging is tape wrapped instead of in cake boxes. ~The company that pioneered recordable CD technology, Taiyo Yuden offers CD-Rs with the best quality and highest reliability in the recordable media industry. Taiyo Yuden CD-Rs outperform the competition in recording accuracy and superior durability in a wide variety of data and audio applications. These discs are thermal printable.Compatible with Rimage Prism, Primera Inscripta and other leading thermal transfer CD/DVD disc printers (not recommened for Everest printers). These discs are also suitable for screen printing.