Biodegradable VEGAN Bamboo Charcoal Dental Floss with Refillable Glass Container Bamboo Charcoal Fiber, Natural Candelilla Wax and Peppermint Essential Oil. Floss length is 30 Meters. VEGAN AND CRUELTY-FREE unlike silk floss. Our ECO FLOSS is 100% Biodegradable, made from Bamboo Charcoal Fiber so it breaks down in approximately 60-90 days. Packaging: Kraft paper box with UPC.