Feature: OOTDTY Repair Marker: Come with 4 pieces of white color grout pens with nib tips, which helps to improve your home décor condition, Enough to share with relatives and friends Good Material: Each grouting pen is made of water and non-toxic, Safe for children and pets, ensures safe use For kitchen, bathroom, shower room, porch, patio and many other dirty tilesRestoring tile:Instantly restores the color of the white grout and leaves it clean and protectedEasy to use:Revive dirty grout by yourself, restorer grouting pen lines dry quickly,Just follow the paint grout linesWide Application:These grouting feathers are suitable for cleaning the groove of the window sash,Small or narrow gaps, floors and walls in home sink, kitchen, showers and bathroom,Any grouting areas that start a bit dingy and covered with moldItem Type: tile grout penMaterial: Water, Resin, Aluminum OxalateColor: WhiteSize:More detailed, see picture. Quantity: 4 pcs. Note: Size for manual measurement, there may be 0 to 1mm error, belongs to the normal phenomenon. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package Included:4x Tile Refill Pens. (With replaceable nib nibs)