Velleman AS5 Anti-Static Mat with Ground Cord and 4 connection clips at the corners. Features PVC-latex material which neutralizes ESD static and prevents damage to microcircuit devices which cannot tolerate a sudden flow of static charge to ground. Material is easy to clean and maintain.  Specifications material: PVC dimensions: 19.7" x 23.6", thickness: 0.08" with grounding cord, surface resistivity: 10e7 ~ 10e10 ohm/m², 'charge decay: < 0.03sec .  Alltronics part# AS5.