Made of high quality rubber material, performs well in waterproof, dustproof and soundproof. Strong tensile strength and good elastic, excellent flexibility. Enhancing the leakproofness of your door, which makes door closing more tightly. Reduce the noise when closing the door. Reducing the pavement and wind noise pass into the room. Improving the comfort and avoiding the dust and rain into the room. Can apply to seal car door, engine hood and trunk lid.