"Contains four statted cloaks geared towards level 20 characters, a complete cosmetic Hauberk of the Eastemnet, the Steed of the Eastemnet, cosmetic Rohirrim skirmish soldier appearances, and an Outrider's Token pocket item granting a +25% monster kill XP bonus up to level 75."
You receive this item in inventory once you have pre-ordered the expansion:
Riders of Rohan (Heroic Edition).
Once you open this gift box, all of these items will be placed into your inventory:
Eastemnet Cloaks (Level 20)
Hauberk of the Eastemnet
Rohirrim Warrior Appearance - Man
Rohirrim Warrior Appearance - Woman
Soldier Race - Rohirrim Man
Soldier Race - Rohirrim Woman
Steed of the Eastemnet