The Memorex CD-R 50 Pack includes 50 blank CD-R discs with a capacity of 700 MB each. These discs offer a maximum write speed of 52x, making them ideal for quickly recording and storing large amounts of data or multimedia content. The recordable feature ensures that once data is written to the disc, it cannot be easily overwritten, providing a reliable storage solution for various uses such as backing up important files or creating your own mixtapes.