This blank CD from TDK is an 16x DVD of the + (plus) format - the TDK 16x DVD+R is supplied here in caketub packs of 25 DVD-R discs. These DVD+R discs are NOT rewritable. From preserving family memories to protecting important data, TDK’s innovative recordable DVD media line makes it easy to find the perfect disc for every project. Innovative features and fun designs maximize every recording. TDK recordable DVD media is ideally suited for storing everything that matters: your videos, digital images and important data. People trust TDK media. That’s because TDK combines proven performance with bold technological innovations to create the world's most cutting-edge recording media products. Only TDK recording media incorporates exclusive advancements such as ISOPURE recording dye and Reflex Mirror Tuning reflective layer technology. ISOPURE and Reflex Mirror Tuning technologies enable the creation of perfectly formed data marks on the disc's recording material, eliminating irregularities that can cause data errors and high jitter. Don’t risk it, TDK it.