Green ESD High Temperature Mat Kits are made of a green static dissipative rubber layer laminated at the top and a black conductive rubber layer at the bottom. Bertech’s ESD High Temperature Mat Kits include the mat, an ESD fabric adjustable wrist strap, and a grounding cord. These mats are .080 inches thick. Charge decay time is <0.01 seconds. High temperature mats offer excellent resistance to oil, grease and most common solvents, hot solders and soldering irons.They are also known as Two Layer ESD Rubber Mat Kits. Also available in blue and gray color.