Item description:

Includes all below
(All unlock at once when loaded)
Not Quite Dead (5G)- Reached level 5
Better Than You Were (10G)- Reached level 10
Always Improving (25G)- Reached level 25
Capped Out...For Now (50G)- Reached level 50
Blight Explorer (15G)- Discovered all named locations in Eridium Blight, Arid Nexus, and Sawtooth Cauldron
Highlands Explorer (15G)- Discovered all named locations in The Highlands, Thousand Cuts, and Wildlife Exploitation Preserve
Arctic Explorer (15G)- Discovered all named locations in Three Horns, Tundra Express, and Frostburn Canyon
Urban Explorer (15G)- Discovered all named locations in Sanctuary, Opportunity, and Lynchwood
World Traveler (50G)- Discovered all named locations

Unlock all skins in the backpack to unlock:
How Do I Look? (25G)- Unlocked 10 customization items

Go to the bank and move the 2 SDUs into your backpack, then equip all items/weapons to unlock:
Decked Out! (25G)- Had Purple-rated gear or better equipped in every slot

Turn in the mission to unlock:
First One's Easy (10G)- Completed the mission "My First Gun"