Jue-Fish grout pen for living room, bedroom, bathroom, floor, sink, tile gap beautification, waterproof decontamination pen

Our caulking pen contains solvents. It's waterproof, mildew-resistant, and easy to use. Its usage is simple: first open the caulking pen and apply it evenly along the gaps. It also allows the ink to dry quickly, leaving gaps small and free of excess debris.