The Esd Mat Helps Prevent Damage To Electronic Circuits From An Electrostatic Discharge. The Anti Static Desk Mat Covers An Area Of 23.6X47.2In 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