Borderlands 2: Add-On Content Pack

The add-on content pack is chock full of content, it is a combination of all previously released DLC packs, the titles of which are below:
-The Premier Club
-Collector’s Edition DLC
-Captain Scarlett and her Pirate’s Booty
-Mr Torgue’s Campaign of Carnage

All the content from these DLC packs:

Captain Scarlett and her Priate’s Booty Campaign Add-On (8-10 hours gameplay)
Mr Torgue’s Campaign of Carnage Campaign Add-On (8-10 hours gameplay)
The Mechromancer Character Class (Premier Club)
Gearbox Gun Pack (Premier Club)
1 Golden Key (Premier Club)
Creature Slaughter Dome (Retailer exclusive Pre-Order)
Firework’s Grenade (Collector’s Edition DLC)
New Heads and Skins (Collector’s Edition DLC)