Grout Tile Pen, Waterproof Grout Restorer Pen Renew Repair Marker Tile Beauty Styling Pen for Bathroom Kitchen Tile Wall Floor Countertop . Interior so it may be used

so it may be used with chemical cleaning products and stands tough against oil and grime

The precision cutting edges reduce clogging or load up

C1 & C2: 3 in

White Portland Cement Type I (for molds and Casting)

Grout Tile Pen, Waterproof Grout Restorer Pen Renew Repair Marker Tile Beauty Styling Pen for Bathroom Kitchen Tile Wall Floor Countertop . Interior so it may be usedGROUT MARKER The Waterproof Grout Marker Repair Pen is designed to instantly color and cover stained, dirty or old grout. Make all your bathroom, kitchen surfaces, tile floor, countertop or wall look new again. It restores grout to its original color, making your home look like the day it was built. You can also change the color of grout by covering up stubborn grout stains. It is eco friendly as it was scientifically designed to be odorless and non