1Wide Application: The heavy duty sound deadening roller is suitable for auto deadening mats, heat abatement mats, wallpaper and other big or small adhesive matting. 2Better Adhesion: Sound insulation rolling wheel can minimize air bubbles and get better adhesion of deadening mats, providing better comfort in your car, van, truck or any other vehicles. 3Durable Construction: Car seam roller is constructed from durable polyurethane PU roller that are attached to a wooden handle with riveted iron roller brackets, stable and durable. 4Humanized Design: Sound deadener roller is ergonomic in design, you will not feel tired after operating for a long time. The PU material is hard but also with little soft, will not damage the mats. 5Lightweight and Portable: The sound deadener roller comes with approximate 18x5x3cm size, compact and lightweight, easy to transport and storage with taking up less space.