AZZA's PYRAMID 804M MESH case can support up to E-ATX motherboards, ATX power supplies, and GPUs up to 330 mm in length. The iconic pyramid shape of the case allows for a 360° view and ventilation o... AZZA Airflow Optimized PYRAMID 804M MESH Case
I suppose somehow the metal mesh could possibly rust if you live by the ocean and leave your windows open, but the case is literally made out of anodized aluminum which does not rust at all.
I didn't check the material it was made of. I just assume, considering the quality of materials used nowadays, it would rust. I bought a CM NR400 in 2019 and 6 months later the mesh already had rust on it and the fans were dead. Great quality there!