About Dental Lace Bamboo Charcoal Vegan Floss Refills: Cruelty-Free Vegan Floss: Bamboo charcoal-infused polyester floss is a cruelty-free and extra-durable floss making it an excellent choice for those with tight teeth. Bamboo Charcoal: Bamboo charcoal is naturally detoxifying and works to absorb odors, toxins, bacteria, and harmful particles from between your teeth, leaving your smile naturally clean and refreshed. Unflavored: Free of natural and artificial flavors. No aftertaste and is au naturale. Planet-Friendly Packaging: Eco-friendly zero-waste compostable packaging is made from 100% post-consumer recycled fiber boxes that are certified FSC and PCF-free. Manufactured using renewable biogas energy. Printed with soy-based inks. Our floss refill bags are made of polylactic acid (PLA) created from the lactic acid found naturally in plants, certified compostable (size: 2” x 3”.)