Tempered Glass Mousepad for Gaming, 19.7"x15.7" Extra Large Hard Mousepad, Ultra-Smooth Surface with Precision Speed Control, Nano Coating & Full Anti-Slip Base for FPS Gamers (XL Black)

comments:

Not 500x500 but this one was really good for the price that I have tried. It's 500x400 and it's on sale for me right now. Amazon