ACL Staticide Gemini 5822448 ESD Mat is a made in the USA, 2-ply thermoplastic vinyl that is used as a work surface on bench tops as well as other grounded work bench surfaces. Gemini static dissipative material has a conductive base and a dissipative upper layer, embossed surface, low outgassing, and is recyclable. Two 10 mm ground snaps are included. Light Gray, 24 in x 48 in Precut Mat.