Ergodyne ProFlex Kneeling Pads - Black ProFlex 385 Large Kneeling Pad provides cushioning comfort and knee protection for static kneeling situations on larger worksurfaces. Beveled safety edge with orange warning stripes offers increased safety. Thick, nitrile rubber (NBR), closed-cell foam will keep its shape over time and won't absorb liquids. Durable, closed-cell foam is nonconductive, petroleum-, water- and silicone-free. Convenient, built-in handle allows easy transport and hanging storage, making it the perfect knee cushion for working at your job, garage, garden or home.