Complete kit, with Dual Common Point Grounding and Wrist Strap. Provides excellent ergonomic comfort, and passes the ESD work surface requirements of ANSI/ESD S20.20 and recommendation of ESD S4.1. Features three layers: the top and bottom layers are dissipative and made of durable vinyl. The carbon middle layer is highly conductive and provides a quick discharge path to the ground. Total Thickness (3.2mm (0.125")) Construction (Heat Fused Vinyl Composite) Texture (Light Embossing) Hardness (45 Shore “A”, per ASTM-D412) Tensile Strength (Greater than 300 PSI, per ASTM-D412) Tear Strength (Greater than 80 lbs/inch, per ASTM-D624) Elongation (Greater than 80%, per ASTM-D412) Abrasion Resistance (Greater than 750 cycles, per Tabor-CS17) Heat Resistance (-20°F to 140°F continuous) Chemical Resistance (Resistance to degradation by inorganic acids, organic acids, reducing agents, Aliphatic hydrocarbons, mineral oil, aldehydes, and amines) Dual Common Point Grounding System for Wrist Strap/Table Mat, 15' Cord This is a common point grounding system that grounds both the mat and allows for wrist strap to be plug in. Cleaning: Do not use cleaners with silicone. Silicone buildup will create an insulative film on the surface.