Anti Static Vinyl Mat Kits are made of a homogeneous solid vinyl mat with a buried conductive layer in between that provides a consistent electrical properties. The kit includes a mat, an anti static fabric adjustable wrist strap, and a grounding cord. They are also known as anti static three layer mats. Bertech's Anti Static Vinyl Mat Kits are ideal for static dissipative and flexible work surfaces required for static sensitive devices. These mats are considered to be our highest quality mats and the best at maintaining an ESD Safe environment. Suggested service temperature is from -20 degrees F to 160 degrees F.