This is a very room space for two people or for one with pets with double doors to allow easy access without tripping over each or gear.
Promoted as a 3 person, it certainly would have enough space, however personally I would suggest that if you want a little comfort, 2 adults and a small child or pet would be about right to enjoy the outdoor experience.
With a ground coverage that extends to almost 300cm x 230cm it gives you plenty of space for storing wet gear, rucksacks and panniers out of the way, thus keeping the inner tent as dry as possible.
It is also supplied with a footprint which can be used underneath the inner, or independent of the inner, so you can use it with the fly only as an option should you wish to do so.
For the space is covers it is a very respectable weight and if you are cycle touring or sharing with a friend, splitting the component parts makes for an easy carry.