digger Ground nstruction mats 2’x8′ for swamp ground heavy duty ground protection boards 3×8 for swamp ground Factory 3×8 ground lawn protection temporary roadway mats Heavy duty ground protection mats, plastic swamp mats, lawn protection mats features: 1.Leaves turf smooth, even in soft nditions 2.Rugged 1/2” thick polyethylene(12.7mm) 3.Available in black, white or clear mats