Easily reach between your teeth with the listerine ultraclean access flosser refill heads. This pack of 28 disposable floss heads features high-tenacity yarn that withstands breakage. Flossing removes plaque on teeth that brushing may miss and is an important step in your oral care routine. These flosser heads are mint flavored, leaving your mouth feeling fresh and clean. For use with the listerine ultraclean access flosser.features:includes pack of 28 disposable headslets you easily reach between your teethhigh-tenacity yarn withstands breakagemint flavoured floss picks for a fresh feeling.instructions for use: move floss up and down against each tooth, clean below gum line, rinse floss as needed. Replace head daily.snap off place handle on hard surface put finger on neck of handle press down gently to releasesnap on with floss facing up, insert handle with listerine side up through the center of the head align notches and push down to snap in placecaution: for ages 6 and up. Use with adult supervision. Choking hazard small parts. Keep out of reach of children under 6.