they look good on the car, my friend here locally, Gordon, bought a whole car from the USA with one of these kits loosely fitted to import both the car and kit at the same time (it really was the easiest way) he hasn't finished yet but will be an eye opener on the road as it's for a road registered car.
He also has an 037 type kit from the same seller / maker, and the quality of the kit is good, but like all body kits takes a LOT of work to fit and align properly for good lines and gaps everywhere, and you need to sort out the hinging yourself, as there are no mounts on the panels for this.
The dog looks like an Italian Mastiff (Cane Corso) which the police and military in Italy use extensively, fantastic loyal dog breed... but at up to 65kg for an adult male they are expensive to keep for sure.
I think the seller is legit, I know a few people that have his kits and apart from high shipping costs and worry / small issues about damage while in transit, the transaction went quite smoothly.
SteveC