Item Type: For Raspberry Pi shellMaterial: Aluminum AlloyColour: BlackApplicable Models: For Raspberry Pi 3B+Package List1 Set x Shell1 x Side Panel4 x Screw4 x Bumper3 x Silicone Heat Sink1 x Wrench1The material is excellent. The shell is made of aluminum alloy cnc, ultra-thin 14mm, compact and comfortable. 2The non-slip rubber particles are installed, which is stronger and can effectively prevent the aluminum alloy from scratching. 3Perfect support for GPIO cable, the shell takes into account the heat dissipation of CPU and memory, bringing better heat dissipation effect. 4It can also maximize the compatibility with 3B+ wifi BT signal, and it will not affect the WIFI signal. 5Durable, hard, longlasting rustfree, wearresistant, and can well protect your for Raspberry Pi 3B+.