Verbatim DVDR/RW uses MKM/Verbatim's technology which ensures any recording to be of a superior quality. Mitsubishi Chemical's R&;D combined with its strong coorperation with drive manufacturers ensures the broad compatibility of Verbatim's discs making them ideal for sharing computer data, home videos, photos and music. From Europe's Number 1* for recordable media DVD-RW is a rewritable disc providing 4.7GB capacity. Compliant with the DVD-Forum specifications. Verbatim's DVD-Rewritable use a Super Eutectic Recording layer (SERL). SERL ensures that noise-free recording can be enjoyed time and time again. With conventional rewritable media, the recording layer deteriorates with every rewrite, meaning a decrease in quality. With Verbatim rewritable media however, the recording layer is returned to perfect condition on every erase cycle, leaving a flawless disc for the next recording. Source: www.verbatim.com