Memorex CD-R Music spindle pack contains 30 disc units, each with a maximum writing speed of 40x, and a total of 700MB capacity. These factory sealed recordable blank discs are year 2004 manufactured and come in a Spindle Cake Box. The model is designed for music recording and has a maximum recordable time of 80 minutes per disc. Ideal for an extensive music collection, this CD-R spindle pack is an excellent solution for recording, storing, and sharing music. Non Smoking and Climate Controlled Environment.