the knee cushion is optimally padded and relieves and protects the knees during prolonged work in a kneeling position. The knee cushion is made of thick closed-cell foam made of nitrile rubber (NBR), which does not deform over time and does not absorb liquids. The durable closed-cell foam is non-conductive, petroleum-resistant and silicone-free. The cushion is designed for kneeling work on cold or wet surfaces, concrete, grates and gravel. Ideally suited for anyone looking for comfortable knee padding but does not want to strap on work knee pads. The FELCO 712 Knee Cushion makes an excellent knee pad for gardening and home improvement. It prevents common knee ailments by relieving and supporting the knees and joints. The convenient carrying handle makes it very easy to transport and hang for storage. This makes it the perfect knee cushion for work on the construction site, in the garage, in the garden and at home.