3 line gold mining sluice mat sticky gold rug mali ribbed alluvial gold rush carpet gold filter carpet guinea stripe gold mining wash carpet the thickness is 10mm 3 line gold mining sluice mat sticky gold rug mali ribbed alluvial gold rush carpet gold filter carpet guinea stripe gold mining wash carpet the size is 1x20 meters/roll 3 line gold mining sluice mat sticky gold rug mali ribbed alluvial gold rush carpet gold filter carpet guinea stripe gold mining wash carpet the weight is 2.2kg/square meters