CONVENIENT AND EASY TO USEThe grout filling pen adopts a pen-shaped design, which makes it very convenient to use. Simply place the tip of the pen over the gap and gently squeeze to evenly distribute the caulk throughout the gap. Make your bathroom, kitchen, tiled floors, countertops or walls look new.ECO-FRIENDLY MATERIALEach tile pen is made from a water-based formula and is non-toxic. It can be used with confidence, allowing your children and pets to play safely and freely without any worries.WATERPROOFCaulks are generally waterproof, effectively preventing water from seeping into gaps between ceramic or floor tiles, preventing the growth of corrosion.BEAUTIFUL EFFECTThe set includes six grout pens, each with a replacement tip. After using the caulking pen to fill the gaps, the surface of the ceramic tiles or floor tiles will appear neat and smooth. This will improve the overall aesthetic effect and create a more refined and polished space.WIDE APPLICATIONThe grout repair pen can be safely applied to kitchens, bathrooms, living rooms, showers, porches, patios, walls, floors and many tiled areas. It's quicker and easier to apply on straight grout lines to cover stubborn stains.Flintronic Grout Pen-Give your tiles a new look! Wonderful sewing pen for creating perfect details! - Each pen comes with a replacement tip, each containing 5 grams of grout. - The sewing pen is water and light resistant Quick-drying, waterproof and will not fade not, the ink maintains bright colors and strong coverage.-It is suitable for ceramic tiles and marble floors, and scratches and stains left inadvertently can be filled and repaired.Specification:Material: pp pen holder + polyester fiber pen tipPacking List: 6 x grout pen