The ESD mat helps prevent damage to electronic circuits from an electrostatic discharge. The anti static desk mat covers an area of 11x18in and has a 6.6ft long removable coiled grounding wire – The electrical grounding mat complies with ANSI/ESD S4.1 – Use the anti static mat as a portable work surface or roll into a tube for storage – The ESD table mat can be used for computer repair and assembly manufacturing in server rooms clean rooms or in other areas that need ESD protection