4 x 8 ground protection mats, temporary road mats, swamp mats features: 1.Rugged 1/2” thick polyethylene(12.7mm) 2.Leaves turf smooth, even in soft nditions 3.Build a roadway or worit platform in minutes 4.Available in black, white or clear mats 5.Withstands 50-80 ton loads 6.Long time Warranty. nstruction Temporary Road Access Mats