1 box protector for Lunar 2 External Blue for the PS1.  

This fits the NTSC version and I am not sure if it fits any other versions that may have been sold.   Please check the size of your item with the size listed below.

5 3/4 x 5 x 2 7/8 or 14.7 x 12.7 x 7.2cm

14mil Acid Free PET plastic

Removable Peel Film

Custom made size