Package Includes: You will receive 1pc foam back rod, measuring 10m / 32ft long, which can be easily trimmed to the proper size with scissors according to your actual needs. Enough length for your daily needs and replacement. Premium Material: This caulking support rod with good flexibility and non-absorbent features is made of high quality foam, round, solid, low density, thus it is very great for filling gaps or seams. Effortless Assembly: Due to its flexibility and softness, just place the desired part into the gap and press to fit fully before applying sealant, then assembly is finished without much effort. Versatile: White caulk can be used on many conditions such as glass fixtures, expansion joints, door and window joints, and pavement joints, as well as can be designed for protecting dog ears, making ring holders, finishing craft projects, etc. Wide Applications: Foam backer rod is great for most cracks including road, wall, foundation cracks, and provide a near finish for caulking, a classic white.