Featuring 360 micron thickness and monofilament fiber, 3D Grass combines durability and resilience with softness and look of natural grass. Polyethylene fibers create grass retention and resilience, while integrated technology creates effect of yarn memory and allows turf to bounce back after use. To keep odor and bacteria off surface, permeable backing lets water and liquids drain into blended rock base below. High fiber content with multi-colored thatch provides plush, realistic appearance.