100% Biodegradable VEGAN dental floss. 1-REFILL ONLY. Spool is 30M in length. Vegan and cruelty-free unlike silk floss. Extremely easy to use, comfortable and soothing to your gums. Ingredients: Bamboo Charcoal Fiber, Vegan Candelilla Wax, and Peppermint Essential Oil. Breaks down in approximately 60-90 days.