Custom cd-r/ Irregular cd-r/ Shaped cd-r Blank/empty cd-r, without content. Capacity: 50mb/5min. Compatible for 2~12X multiple-speed Drives Excellent durability, storability and safety General purpose/Audio purpose Graphic source: photoshop .psd, potoshop .eps, iIllustrator .ai for window or mac. File resolution: more than 300 dpi. Printing: CMYK 4 color offset print or silk screen print