Bertech ESD Mat Kit with a Wrist Strap and Grounding Cord, 2' Wide x 4' Long x 0.093" Thick, Blue (Made in USA) Made in USA ESD Safe: Designed for an electronic assembly where static charge is a concern Kit includes a wrist strap with removable alligator clip and a grounding cord Resistant to degradation by inorganic and organic acids Made of Single Layer Vinyl Material