Bertech ESD High Temperature Mat Kits are .080 inches thick and have two layers. The top layer is a gray, static dissipative rubber layer laminated to a black conductive rubber bottom layer. These ESD High Temperature Mat Kits provide excellent resistance to oil, grease, and most common solvents. Each mat kit includes an ESD mat, common point ground cord, and an adjustable fabric wrist strap with removable alligator clip. RoHS and REACH Compliant.