Tontec Black Slices Case for Raspberry Pi 2 Model B and Raspberry Pi Model B with Mini Fan For Raspberry Pi 2B and Pi B+ Well design and easy to put together. Clear top and base to leave your pi visible Primary ports accessible, Good ventilation With instruction. Assemble steps are shown in picture 5. Package content: 1Tontec case for Pi 2B and Pi B+, 1mini fan