High-quality material: Ceramic tile joint filling tool is made of polyurethane material, durable, good toughness and wears resistance, not easy to break. Home improvement helper: It is a good tool for smoothing seal lines, caulking lines, and completing most home improvement work, any edges, corners, crevices, etc. Wide range of uses: Suitable for house renovations, store renovations, office decoration, for tile and wooden brick caulking cleaner and faster. Easy to use: Hold the caulking tool and swipe lightly to quickly fill the gap between tiles, saving you a lot of time for beautiful seams. Service Guarantee--- 24 Hours Customer Service. Any problems about our item, please send email to us, it's our pleasure to help you solve it efficiently. You do not need to return or exchange the goods. If your shopping experience is affected by the product, we apologize and will re-mail it to you. happy shopping.