It's black color and 9 feet long.  It comes with reusable and adjustable tywrap.  See pictures for dimensions

Awesome device that lets you connect a hose to your car Vents to get it to the hot or cold air to the back seat or trunk area with the 9’ flexible hose. Also works on home window or floor vents to get a nice little direct flow where you want it.

Includes the tube with insulated fabric cover and the connection plate. Uses zip ties to attach to your vent and then the tube has a one had twist lock to connect/remove from the vent.