Features: -SLICK, TAUT WEAVE FOR SPEED GAMEPLAY. -OPTIMIZED FOR ALL SENSITIVITY SETTINGS AND SENSORS. -AVAILABLE IN FOUR DIFFERENT SIZES. Specification: Slick, taut weave for speedy mouse movements Pixel-precise targeting and tracking Optimized for all mouse sensitivities and sensors Highly portable cloth-based design Anti-fraying stitched frame Anti-slip rubber base Available in four different sizes: small, medium, large, extended Approximate dimensions: Thickness of all Goliathus mouse mats is 3 mm / 0.12in Extended 294 mm x 920 mm / 11.57 in x 36.22 in