Reduce knee trauma and low back stress. Provide pain free kneeling which increases productivity. Constructedof heavy, resilient, closed-cell foam rubber, not plastic. Will not compression set. Wwill not absorb liquids. Impervious to petroleum products. Made of thick 1" foam. Self extinguishing and non conductive Clean easy. Use soap and water, pressure wash, or steam clean; even most solvents and thinners. Silicone Free Built-in handle Available in two sizes Color: Black split Designed for severe kneeling conditions like: cold hard steel, concrete, grating, and gravel. Our ErgoKneel mats are commonly used by: tire stores, utility workers, petroleum production, telecommunication workers, manufacturers, and in home use. These ergonomic kneeling mats are available in two popular sizes.