Gold Hog Matting.
Made in the USA from heavy EPDM Rubber GoldHog® sluice mats are… heavy duty, flexible, excellent heat, ozone and weather resistant. Can perform from 200 degrees to -20 degrees. Expected life span is 10+ years in standard sluicing operations, and 3-5 years in large commercial mining operations. Weight is approximately 1 pound per foot. (about 4 pounds per 36″ wide mat.)