Men's Unity Large Backpack in Black Balenciaga GB Briefcase Package 11 Assets 3D Props Unity Asset Store Balenciaga Medium Unity Backpack Black FARFETCH Balenciaga Medium Unity Backpack Black FARFETCH. Unity Backpack by Balenciaga, top handle, adjustable shoulder straps, front flap and buckle closure, two zippered pockets for closure on side panels, iconic contrasting brand monogram on front flap, zippered slit pocket on flap.