Feature: Grout repair marker: come with 4pieces white color grout pens with replacement nib tip for helping improve your home decor, enough quantity for sharing with relatives and friends Good material: each grout pen is made from water-based and non-toxic, safe for children and pets, provides a safe use for kitchen, bathroom, shower stall, porch, patio and many more dirty tiles areas Restoring Tile: instantly restores color to white grout and leaves them looking clean and protected Easy to use: revive dirty grout by yourself, the restorer grout pen lines are fast drying, just follow the grout lines to paint Extensive usage: these grout pens are suitable for the cleaning of the groove of window sash, tiny or narrow gaps, floors and walls in home sink, kitchen, showers and bathroom, any grout areas that start to become a bit dingy and covered with mold Item Type :Tile Grout Pen Material:water, resin, aluminum oxalate Color:White Size: More detailed,please see photo. Quantity:4Pcs. Note: Size for manual measurement, there may be a 0 to 1 mm error, belongs to the normal phenomenon. And 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 Replacement Nib Tips)