It's not Borderlands 2 Press Kit. It looks like some promo goodies, with The Border Lands game packed like old-school PC games (box and floppy disks).
This game is available and playable online here :
http://wubwub.eu/
The real Borderlands 2 Press Kit can be seen "de-bagged" on youtube :
http://www.youtube.com/watch?v=AGP40MPxm5c