Regarded as the strongest grass paver on the market, Tufftrack® Grass Pavers create a durable grass surface that can support heavy vehicles while blending into the surroundings. This drivable grass paver features an extraordinary unfilled compressive strength of 86,563 psf, capable of supporting H-20 and H-25 loads. Each paver is made of a web of interconnected hexagonal cells which feature unique domed openings to promote a greater flow of water, oxygen, and nutrients for healthy root growth. The Tufftrack Paver comes in a 2 ft. X 2 ft. panel with 120 nested hexagonal cells and 22 connection points. Panels clip together with the tongue-and-groove locking system to create an integral paver mat.