The ProFlex 390 Extra Large Kneeling Pad is built with a beveled safety edge and provides cushioning comfort and knee protection for static kneeling situations on large work surfaces. This kneeling mat is made with thick nitrile rubber (NBR) closed cell foam which will keep its shape over time and won’t absorb liquids. The durable closed-cell foam is non-conductive, resistant to petroleum and silicone-free. A built-in convenient handle allows for easy transport and hanging storage making