PetOde Goliathus Standard Mouse Mat - Speed Surface Slick cloth weave - the Razer Goliaths speed edition's highly taut weave creates a slick, seamless surface that trumps all Other gaming cloth mats on the market in terms of flat-out speed. Optimized for all sensitivity settings and Sensors - the Razer Goliaths speed Edition is optimized for use with all gaming-grade mice, regardless of sensitivity settings and sensor type. Available in three mat sizes - select a mat size that fits your play style as perfectly as it does your desktop: Alpha (large), standard (medium), OMEGA (small)