Closed-cell blended nitrile cushion with 100% nitrile rubber base, 7/8" thick. Electrically conductive, grease/oil proof. Will not absorb liquids. Reduces knee trauma and low back stress. Built-in handle is convenient to carry and store. Cleans easily with soap and water. Ideal for occupations that require kneeling such as construction workers, technicians, mechanics, engineers, utility workers, manufacturers or anyone who moves from place to place to perform work tasks.