Place the WEARWELL Static Guard Work Surface Mat under micro-circuitry components to protect sensitive parts from damaging static electricity. Surface-to-surface and surface-to-ground resistivity are 10(7) ohms. Abrasion-resistant, non-glare surface. 1/8" thick. 3M grounding cord must be purchased for each mat. Order the optional wrist strap for maximum effectiveness. Color: sky blue.