Kids will want to floss when they can do it with their favorite Marvel Superhero. Children can pick from flossers featuring Spiderman or the Avengers Team.

Hold flosser firmly between thumb and index finger.
Using a gentle back-and-forth motion, slide floss between teeth.
Move up & down against tooth to clean above & below the gum line.
Repeat steps for each tooth.
Discard after use.

This product has no expiration date or the manufacturer has not provided an expiration date.