Feature: 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 safe, making it safe for your family members and pets. It has a faster easier application on straight grout lines to cover stains The package contains: 1pc waterproof grout marker repair pen HOW IT WORKS: Fast drying Permanent on most surfaces Great for non-ventilated work spaces Covers 175 linear feet of average grout lines Specification: Line width: 2mm Pen length: 14cm Color: Dark gray, light gray, brown, cream-colored, gray, white, creamy-white, black FEATURES AND BENEFITS: Odorless Eco-friendly Water-based Easy To Use Precision Applicator Fast Drying Waterproof Multi-functional Package List: 1pc x Waterproof Grout Marker Repair Pen