Rejuvenate White Grout Pens 2-Pack restores dingy, stained grout to new without all the work and expense of replacing the tile around it. Rejuvenate Grout Renewer Pens make restoring or coloring your old grout a snap. Easy to apply and safe to use. Grout Renewer pens allow anyone to get professional results in no time. Get 2 premium pens per package, each comes with a fine applicator tip and control fit grip.