• Premium Floss - Lightly waxed for easy insertion between teeth, expands during use to clean wider gaps and clean more tooth surface. • Exceptionally Gentle -Texturized nylon fibers are gently on gums and are ideal for patients with tooth and/or gingival sensitivity or gingival recession. • Easy to Insert - Even between the tightest contacts. • Built-in threader allows easy insertion of the floss under and around the orthodontic appliances. • Floss expands to adapt to different sizes of interdental spaces for more tooth surface contact.