Clear Transparent Case Enclosure Box with 3 Pcs Aluminum Heatsink Cooler Cooling Kit for Raspberry Pi 2 Model B Ultra Sleek This case is a very stylish and sleek! The heatsinks have a layer of thermal adhesive that allow for easy installation on to your board. Reduce the risk of hardware failure due to overheating with this cooling kit. Case is made of durable acrylic.