11 soul bag container items
The Forever catalog holds 11 soul bag container items, topping out at item level 65 with Felblood Soul Bag, D'Sak's Big Sack, D'Sak's Sack. Bags and profession bags, by slot count.
Source: the World of Warcraft: Forever beta client's item tables and Blizzard's Game Data API. Updated with each beta build.
Container · Soul Bag · page 1 of 1
 Felblood Soul Bag | Soul Bag | 65 | 60 |
 D'Sak's Big Sack | Soul Bag | 62 | - |
| D'Sak's Sack | Soul Bag | 62 | - |
| D'Sak's Sacktastic | Soul Bag | 62 | - |
| D'Sak's Small bag | Soul Bag | 62 | - |
 Core Felcloth Bag | Soul Bag | 60 | - |
 Felcloth Bag | Soul Bag | 57 | - |
 Soul Pouch | Soul Bag | 52 | - |
 Box of Souls | Soul Bag | 30 | - |
 Kelris's Satchel | Soul Bag | 25 | 0 |
 Small Soul Pouch | Soul Bag | 20 | - |