Easily reach between your teeth with the Listerine Ultraclean Access Flosser Refill Heads. This pack of 28 disposable mint flavored floss heads features high-tenacity yarn to withstand breakage. Flossing removes plaque on teeth that brushing may miss and is an important step in your oral care routine. Easily get to 100% of hard to reach places with this floss. For use with the Listerine Ultraclean Access Flosser. Fluoride-Free