Tunnel tent is a tube-like shape
Size: It does not have headroom, is quite small inside, but very long
Room: The tunnel tents can fit 1 person.
Reliability: Tunnel tents are very sturdy and good against rain because of the round shape. Depending on the direction the tent is set up, it can be bad against strong winds because a flat surfaces of the front and back entrances.
Benefits:Good for one person
Easy setup
Good for keeping heat in
Disadvantages:Can't fit more than one person
Can't use for storage