ThermaPAK HeatShift Laptop Cooler is the most advanced, convenient, and stylish solution against laptop heat. The HeatShift Laptop Cooler can sit right on your lap or on a table and begin to cool down your laptop better than any noisy, dusty, fan based USB cooling devices. It uses ThermaPAK's patented HeatShift Technology to cool quickly and effectively so that you prolong the life of your laptop and prevent your arms and legs from getting burned. It is made of safe eco-friendly cooling crystals that have been proven to lower laptop temperatures by more than 10 degrees. The award winning HeatShift Laptop Cooler cools the entire laptop while promoting air flow through the intricate grooved design. It requires no power, no refrigeration, and generates no noise.