La alfombra minera de plastico negro 4-channel carpets 4 ribbed rugs 4 channel corrugated carpet for mining thickness:15mm La alfombra minera de plastico negro 4-channel carpets 4 ribbed rugs 4 channel corrugated carpet for mining weight: 2000 GSM La alfombra minera de plastico negro 4-channel carpets 4 ribbed rugs 4 channel corrugated carpet for mining size: 2x24 meters/roll