In original packaging item, may require some assembly. See link for more details:
Note: 2 glass panels only; does not come with track options, rolling mechanism, installation hardware, installation manual, door stops and panel parks
https://www.wayfair.com/home-improvement/pdp/the-sliding-door-company-4-panel-clear-glass-room-dividers-sliding-doors-closet-doors-tesl1006.html