The pack contains a poster type paper mat, 4 card buildings and 6 card containers.
The mat is a single sided poster type paper mat with a full colour poster on the other side, presumably so you can stick it on your wall when you've finished using it as a gaming mat. The mat is also slightly to big, measuring 34x24, as opposed to the Kill Teams 30x22. The extra inches can easily be dealt with by adjusting deployment zones if needs be. I am unsure how long lasting the mat will be, as I'm sure repeated folding will wear the fold quite quickly and it doesn't seem as robust as the GW types.
The builds are reasonably thin but decent card, think cereal packet card board. They are pretty nicely detailed and the roof section is slightly sunken, giving cover when on the roof, which is nice for kill team. While they may not match 100 percent with the GW aesthetics they are a close match, close enough that they won't look out of place.
The containers that come in the set are made of the same material as the buildings and are again nicely detailed. They are just plain square boxes and some of the graphics are out of place but again, nothing that would stop you using the set for Kill Team. The containers are slightly smaller than the GW munitorum armoured containers but they are still big enough to block line of sight and such. There is no doubt that the GW containers are better, both in detail and robustness, but then they are significantly more expensive as well.
The mat can also be used for other layouts, such as with the pipe lines from GW and Mantic. Plus I could probably put some of my MDF building on here for something different but I've yet to try that.
With the price of these things, I've been looking at the other options, there seems to be 4 other scenery packs available. The Hephaestus pack look like it could work for Tau, the Moto.tronica pack could possibly do Tau as well. The Neon Lotus I'm less sure about, maybe Eldar or Harlequins? Lastly the Kurage station pack, which would do Imperium or maybe Eldar at a stretch. None are going to be a straight fit, the best seems to be the Hephaestus for Tau but even then it's quite angular for Tau construction. Having said that, I'm looking at the Kurage Station pack as a possibility, mostly as it's different to the Navajo Outpost and it has walkways, which look cool. I think I could get away with the aesthetics by calling it a high tech Imperial world or even rough planet, hence the Imperial military presence and beside who doesn't like walk ways?