Description: 1 x 1 foot ESD Mat 2mm/0.079" thick, Light Blue, 2 buttons, wrist strap, ground cord. Specifications: Size: 12 inches x 12 inches (1 x 1 feet) -0/+2%. Thickness: 0.079" (2mm). Color: Light Blue. ESD Mat Material: Synthetic Rubber. Resistance (Surface to Ground): 1x10^6 to 1x10^9 ohms. Resistance (Surface to Surface): 1x10^6 to 1x10^9 ohms. Includes: 1' x 1' x 0.079" ESD Mat, with 2 pre-installed grounding buttons. 6 foot grounding strap - 1M ohm. 3-6 foot stretch cord antistatic wrist strap - 1M ohm. Grounding: Lay the ESD Mat in position on your work surface (Light Blue side up, black side down). Snap the black ground cord to a grounding button on the ESD Mat. Connect the other end of the ground cord to a common ground point, such as the center screw of a standard AC electrical outlet, using the ring terminal located on the end of the ground cord. Testing is recommended to make sure the screw is properly grounded.