Imation IMN40955 CD Rewritable Media, CD-RW, 4x, 700 MB, 10 Pack Slim Jewel Case, Retail CD-RW disk requires speed-compatible drives and burners for recording Reading compatible with CD-RW drives and multi-read CD-R/CD-RW, DVD-ROM and rewritable DVD drives Offers a maximum write speed of 4x, recording time of 80 minutes or 700 MB