ANDERSEN Hog Heaven Marble Top Mats feature anti-static properties for use in the electronics industry. Popular in dry work areas. Rubber top with Nitrile cushion base. 5/8" thick. Cushioned base is permanently molded to the rubber top. Smooth diamond patterned rubber surface. Made in USA.NOTE: Custom-cut mats up to 60' long are available, call a Certified Product Specialist to order.NOTE: Member of the U.S. Green Building Council.