Anti-Static workstation mats are made of a durable 2-ply rubber that offers excellent resistance to hot solders, soldering irons and most solvents. A conductive layer backs the static dissipative top layer that creates outstanding electrical performance characteristics. Available in Nasa Blue, Royal Blue, Green or Gray with the following features: Size: 2' x 50" x .080” Dissipative work surface: 10E6 - 10E8 ohms Rtt Thickness: 0.080 Inches Resistance to Ground: 8 x 10E6-8 ohms Resistance Point to Point: 2 x 10E6-8 ohms