Replaceable head. Flossing bristles. Non toxic. Clean teeth and gums. Flossing tips for deeper clean. Better by Design. Whole mouth clean with flossing bristles. An earth-friendly flossing brush for everyone. This brush's recycled natural fiber handle and replaceable head cleans teeth and gums better to protect enamel and reduce bleeding, while being extra sensitive to receding gums. If everyone switched to a Source, 28.5 billion fewer toothbrushes a year would end up a landfills! Wide, gum massaging design. Upcycled natural handle. Long neck for deeper clean. Reversible handle for righties and lefties. Green by Design: Saves 93% of brush normally thrown into landfills. Bioplastic bristles & upcycled handle. Recycled & sustainable packaging. Botanical-based inks. Water-based coatings. 100% toxin free. Low-energy machines. ADA Accepted: American Dental Association. Discover Our Clean & Green Mission: www.madebyradius.com. Women owned. Cruelty-free. Made in USA. Proud to be made in Pennsylvania, USA.