Ergodyne - EGO18380 ProFlex 380 Standard Kneeling Pad provides cushioning comfort and knee protection for static kneeling situations. 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-resistant, water-resistant 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.