"Improves heat transfer between a CPU/chipset and heatsink with easy-to-use thermal padsThis 5 pack of Thermal Pads offers a suitable alternative to using heatsink paste/grease. The thermal pads remain solid at room temperature, and soften at heatsink operating temperatures - eliminating the mess of heat grease, while maximizing heat conduction to create a cooler operating environment for your hard working CPU.The StarTech.com Advantage- Easy ""peel and stick"" installation ensures an even application each time- Mess free"