Long-lasting and stylish, FANTECH ATO MP905 KATSUYAMA DESKMAT MOUSE PAD with science-based functionality Control and Comfort Material & Control for Humidity and Spill Resistance Size of the anti-slip base: 900 x 400 x 4 mm 4 mm in thickness For additional mousepads, see the FANTECH ATO MP905 KATSUYAMA DESKMAT MOUSE PAD.