The Vegan Smart Floss expands 30 yd / 27 m and contains Activated Charcoal. It expands into interdental spaces for super cleaning and removes more plaque. Great for braces and wide spaces. It features a natural plant wax coating, is vegan, free of PTFE & PFAS, has no animal testing, and is gluten-free & non-GMO. It expands so it's gentler on gums and softer on fingers, providing more surface area for superior cleaning. Instantly feel how much better it cleans!