Func F-Series is a single-sided, semi-hard mouse pad constructed of high quality polycarbonate. The surface texture incorporates a specially selected, low profile, textured synthetic rubber that exhibits exceptional traction capabilities; also known as the F10.s. The F10.s is a fine textured surface and popular with those who prefer the feel of minimal traction. The F-series mouse pads are available in two different sizes to fit different game styles.