Raspberry Pi 4 Model B ABS Case with Fan Black Housing Plastic Box is the ABS case designed for Raspberry Pi 4 Model B. There is a space on the cover of the case to install the Fan. 

That this link doesn't include the Raspberry Pi in the package.

Feature:

1. The case made of ABS, and the case is thicker than any usual case, so it can offer better protection.

2. Precise design for Raspberry Pi 4, all interfaces and ports remain. The cover must be removed in order to get access to the interface via the Raspberry Pi.

3. Support install the fan on the cover, better heat dissipation.

Package list:

 1 x case with fan