It is a good tool for smoothing seal lines, caulking lines, and completing most home improvement work, any edges, corners, crevices This caulking tool is rubber,, good toughness and wears resistance, not easy to break High-efficiency caulking artifact, greatly improving your work efficiency The manual caulking tool can be cleaned with clean water, and faster Hold the caulking tool and swipe lightly to quickly fill the gaps between tiles, Manufacturer: Bottone