Blue ESD General Purpose Mat Kits are made of a single layer homogenous polymer mix and are considered to be made of a light texture single layer vinyl material. They are designed to provide a static safe work surface for static sensitive products. They are low cost, durable, easy to cut and are reversible. Surface resistivity is 10sup9/sup - 10sup10/sup ohms. Service temperature is -20 degrees F to 160 degrees F. Our ESD mat kit includes a common ground cord and a wrist strap. These general purpose mats are also available in gray color.