(12.7 mm) thick polyethylene making them virtually indestructible.
Justrite 12 Pack, HDPE Ground Protection Mats, 120 Ton Load Capacity, Black, 4 x 8 ft, AlturnaMAT®MatPak, Polyethylene, AMCP4 Weighing just 86 lbs (39 kg) at its maximum size and just 21. | Justrite 12 Pack, HDPE Ground Protection Mats, 120 Ton Load Capacity, Black, 4 x 8 ft, AlturnaMAT®MatPak, Polyethylene, AMCP4 Sizing is subject to a manufacturing variance of +/- 5%. These rugged mats are made of 0. *Load bearing capacity is subject to ground conditions.