Product Description These PC-formatted 3-1/2" Cool Disks come in bright colors and have see-through covers. Disks come in 10- or 40-pk. and store in convenient plastic file boxes. High-density, 100% error-free Memorex diskettes meet or exceed industry quality standards. 1.4 MB. In blue, red, orange, green and purple. Two recording sides. Imported. From the Manufacturer All Memorex diskettes are built to exceed the ANSI standards and each disk is certified to be 100-percent error-free. Memorex "Cool" Disks come in 5 Translucent "Cool" Colors: Blue, Red, Green, Orange and Purple. This 10-diskette pack is formatted for use with PCs.