3 In 1 Black ABS Case Shell Housing + Aluminum Heat Sink Copper

This is the case for Raspberry Pi 3 Model B only. You can install pi fan for cooling.
Aluminum Heat Sink Copper Heatsink:

Feature:   As a New-on product, Raspberry Pi 3 Model B has newly 4-bit quad-core and internal WI-FI and Bluetooth. Its high performance improved tenfold compared with the former generation. That is to say, you should equip it with strong cooling system. The set of heatsinks can meet your demands very well. Thermal conductive adhesive tape of heat silk is from 3M enterprise Model 8810, one of the fortune 500 enterprises world-wide. It be able to bear long time high temperature up to 100. 
ABS Mini Active Cooling Fan:

Feature:  

Rated voltage: DC5V Working voltage :3.0 - 5 .8 V Current: 0.2A Air volume: 5 m 3  h Rpm: 13200RPM Noise: 18dB

Note:        

No Raspberry Pi 3 Model B main board included!!!   Package included:   1 x Black ABS Case Shell Housing 2 x Aluminum Heat sink 1 x Copper Heat Sink
1 x Cooling Fan