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