About This Longer size: The total length of this backer rod is about 32.8 feet and 1/4 Inch diameter, which can meet your needs. It is more convenient to use without worrying about the length, and improving caulking efficiency. Quality material: It is made of high quality foam silicone material, which is soft and elastic, and can fit cracks closely. Compared with traditional foam materials, it has stronger corrosion resistance and aging resistance, and can be used for a long time. Cost savings: Our caulk saver can reduce the use of cement and other materials, but also improve the density of the fill. It will make the filling effect more smooth, and an ideal choice for home renovation. Easy to use: You can use scissors to cut to the necessary length, and then put into the crack, then apply sealing material. It is simple and labor-saving, and the crack will restore as new. Widely used: Concrete expansion joint filler is suitable for filling most cracks, such as wall, tile, ground crack, etc. You can choose the appropriate diameter according to your needs. Overview Color : 1/4 Inch Brand : moonoom Item Weight : 0.25 Kilograms Item Form : Strip Maximum Gap Fill : 0.25 Inches