[PACKAGE INCLUDES] This set contains 6 grout pens with replaceable nibs. These tile repair tools help enhance the beauty of your home decor, providing ample quantity for use and replacement. Share them with friends or family! [REPLACEABLE NIB] Each grout pen is equipped with a replaceable nib, making the pen more durable. Easily replace the nib yourself when the original becomes dirty. [EASY TO USE] Shake the renewal marker several times before use, then press the pen tip until the ink flows. Revive dirty grout yourself! The renewal grout pen dries quickly; simply follow the grout lines to paint. [PROTECTIVE BARRIER] The tile pen helps cover stained grout between tiles, restoring or changing the color of your tile grout lines and preventing further staining. This keeps them looking clean and protected, making your home tidier. [WIDE APPLICATIONS] The repair marker pen is a quick solution for retouching and repairing any dirty tile areas. Designed for use on kitchens, bathrooms, walls, floors, porches, patios, or ceramics. Dries quickly, is colorfast, and long-lasting.