Housing is made of sturdy plastic. The PI will be clipped in the lower half, so do not fall out by itself. The upper half in turn is plugged on the bottom.
The CPU (or SoC) cooler is about 1.5 times as large as the one in here often anebotenem 3er Set in silver aluminum. the USB / Lan cooler about 0.95 times.
At the bottom louvers are in the area where the RAM chip sits.
All sockets of Pi should be used with this case without problems. SD card also readily available.