Template:Bc Engineering Bags are a special type of bag that hold items created by engineers. They cannot hold many items used by engineers however, like ore, bars, motes, gems, and cloth. In the Burning Crusade closed beta these bags did not hold engineering schematics, tho this may have changed to be more consistent with enchanting bags.
The Template:Luncommon, a 20-slot engineering bag, is available from Fabian Lanzonelli in Allerian Stronghold, Floyd Pinkus in Thrallmar and Caregiver Ophera Windfury in Temple of Telhamat.
The Template:Luncommon is a 24-slot Engineering Bag, that can be created by engineers in the Burning Crusade.