In original packaging item, may require some assembly. See link for more details:

Size: 5.9 Inch Diameter, 59 Inch Length

https://www.walmart.com/ip/Portable-AC-Window-Vent-Kit-Adjustable-Vertical-Horizontal-Sliding-Window-Kit-Plate-AC-Unit-Seamless-Portable-AC-Window-Seal-5-9-Inch-Diameter-59-Inc/18720850739