Large for $40 and XL for $50. The Large is 19.3 x 16.5 inches, which means it offers substantially more space than the average mouse pad while still mainly intended as a surface for mouse movement.
The best gaming mouse pad is more essential than you'd think. Without a smooth surface to glide your mouse on, your precision in some games might wobble. A good mouse pad isn't as key as the best ...
The SteelSeries QcK Performance range is available in two sizes: L and XL ... to the desk pad style of mousepad as it gives you so much freedom of where to place your mouse and keyboard.