The extra protection surface is a white surface providing extra protection for the vulnerable label side can be written on with a cddvd marker penr key featuresr r r r capacity 700mbr speed 52xr pack style 100 pack spindler disc surface extra protectionr r verbatim cd rrw uses mkmverbatims technology which ensures any recording to be of a superior quality mitsubishi chemicals rd combined with its strong coorperation with drive manufacturers ensures the broad compatibility of verba