The listing, Dishonored 360 DLC Shadow Rat Pack has ended.
Bonuses Are :
Delicate Touch : Breaking Glass Noise Reduction;
Voyeur : Keyhole Peeping Magnification;
Deep Breather : Underwater Breathing Capacity Bonus
Unhidden Book : entitled Field Notes The Royal Spy
500 : Bonus Coins
These codes can be used on Xbox Live regions where DLC are available.
How to check your region? Simply go to this link, select your country and type Dishonored 360 DLC Shadow Rat Pack in the search box to verify it.
http://www.xbox.com/Shell/ChangeLocale
To redeem the code
1. Sign in to XBOX LIVE account (the one on which you want use this code on)
2. Press central (Guide) button on controller.
3. Go to Marketplace blade and on this blade choose "Redeem Code" option.
4. Enter received 25 digit code and hit the confirm button.
5. On next screen choose confirm.