This all-purpose caulk mastic is perfect for sealing, bonding, protecting, and waterproofing a variety of surfaces. Its chemically stable formula ensures that it remains unchanged after exposure to the elements, while its 24-hour full cure guarantees a quick and efficient result. This product is ideal for use on tubs, sinks, windows, and trim, and comes in a convenient 4.0oz package. The white color adds a touch of elegance to any project, and the Tool Bench Hardware brand ensures quality and durability. Made in the United States, this silicon caulk is a must-have for any DIY or professional project.