High Quality The Surface of the Noise Pressure Roller is Made of Silica gel, The High-Quality Material with good Toughness will It is Wear-Resistant, High Temperature Resistant, Flexible Operationsmooth. Wood Handle, Metal Support, Ergonomic Design, Reduce hand Fatigue, Feel comfortable. Aids in Quick Application of car Audio Sound Deadening Matts or Headliners in Car Interior to Help with Road Noise, An Handy Sound Deadener Roller Tool . Helps Remove Air Bubbles to include Used to Roll the Wallpaper on Both Sides of the Intersection to Enhance the Adhesion of the Wallpaper to the Wall .