The Storm Speed-RX is developed specifically for optical gaming grade sensor, but works equally well for high-end laser sensors. Excellent tracking and speedy glide, coupled with an aggressive non-slip 100% natural rubber base, making thorough contact with most desktop materials, ensures that your gaming surface stays firmly in place and performs at highest level. - Microscopic Synthetic Mesh for optimum precision - Smooth nano fibers for reduced drag and better comfort - Extra thick (5mm) soft rubber center piece for better ergonomics and endurance - Triple Layer heat bonding process for improved durability and prevent peeling - Grip coating on bottom side to keep the mousepad in place