The caulk backer rod is a new design, through excellent processing technology and high-quality raw materials, the performance of caulk backer rod up to a higher standard. We are perfect for every detail of the caulk backer rod, guarantee the quality level, so as to bring you the perfect product experience. Fly Packing Co., Limited is a professional China caulk backer rod manufacturer and supplier, if you are looking for the best caulk backer rod with low price, consult us now!