alluvial gold rush carpet 26mm gold catch carpet plastic mining grass carpet gold trapping carpet alluvial gold washing carpet models: 3 star 4 star 5 star alluvial gold rush carpet 26mm gold catch carpet plastic mining grass carpet gold trapping carpet alluvial gold washing carpet size 1x15 meters/roll alluvial gold rush carpet 26mm gold catch carpet plastic mining grass carpet gold trapping carpet alluvial gold washing carpet weight 80kg/roll