Specification: Item Type: Sound Deadening Roller Material: Silicone, pine wood. Product Length: Approx. 175mm / 6.89in Package List: 1 x Sound Deadening Rolleror 2 x Sound Deadening Roller Extensive Using: Suitable for the high temperature welding of PVC waterproof film, sealing strip sticker, sound bar and so on. Sound Deadening: Able to bear weight in two direction, the stable and flexible rolling will improve the efficiency and quality. Silicone Roller: The soundproof roller is made of silicone with good toughness, which will not damage the deadening material. Simple Carrying: Designed to have a light weight and 175mm total length, both the storage and carrying are very convenient. Has Wood Handle: Adopting premium pine wood, the ergonomic handle enables a comfortable hand feel to largely reduce the fatigue.