I bought this pad to replace the previous Roccat Sense Glacier Blue I returned because it was generating saccades on the movements of the mouse, and the same ... Yet he is black without drawing ... I ' uses a mouse Roccat Kone + Gamer brand new. Uncarpeted mouse responds instantly. With carpet, at stake is unplayable laser tracker mouse goes crazy. Under windows you see the mouse that stutters. I do not recommend it for the Roccat Kone mouse possessors +. PS: I just read on a forum that it takes a rough surface for this mouse mat! Roccat could clarify. I put 3 stars because it is beautiful and good quality