Briefcase Package 11 Assets 3D Props Unity Asset Store Unity Backpack Bags 2D Unity Asset Store Men's Unity Backpack Large in Black navy Balenciaga ZW Men's Unity Large Backpack in Black Balenciaga GB Men's Unity Large Backpack in Black Balenciaga GB. 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.