fine gold dust recovery carpet gold catching blanket channel gold catcher carpet line gold collecting carpets mali ribbed fine gold washing carpet the thickness is 10mm fine gold dust recovery carpet gold catching blanket channel gold catcher carpet line gold collecting carpets mali ribbed fine gold washing carpet the size is 1x20 meters/roll fine gold dust recovery carpet gold catching blanket channel gold catcher carpet line gold collecting carpets mali ribbed fine gold washing carpet the weight is 2.2kg/square meters