The SteelSeries DeX mousepad is the true excellence of high-performance mousepads. DeX is the fruit of more than a decade of inspired research, rigorous testing and advanced technology. It delivers unmatched performance making it the ultimate mousepad for competitive gamers. During its development DeX was put through all sorts of trials and tribulations. Pro gamers were involved in the durability testing. They have been testing DeX for quite some time, and while they didn't take a grinder to it, their feedback has been universal - DeX is built to last.