No curling up soft breathable Lycra fabric provides smooth sensing for accurate mouse tracking - Made of smooth and soft Lycra fabric, no irritation to skin. Breathable, not easy to traps heat. The fabric cover could tracks the mouse movements fast and accurate, allowing the mouse to glide smoothly on mouse pad surface. Well press handing with rubber base, not easy to curl up on the edges even after long time usage.No coming out comfortable soft memory foam wrist rest reduces fatigue and carpel tunnel - the wrist padding is not easy to separate with well press handing base and the soft slow rebound memory foam keeps hand in natural position, providing maximum ergonomic comfort for office or home us, reducing pain and fatigue caused by extended hours of repetitive motion and relieve or avoid carpel tunnel syndrome.Laying flat odorless non-skid rubber base grips heavily to prevent sliding /unwanted movement - Made of natural rubber, non-toxic and safe to use. No chemical smell like others. Textured with grooves in the back, this mouse pad could grip surface firmly in place and lay flat on table, preventing itself from sliding around. Perfect for fast continuous mice operating, especially for gamer.