Eco-friendly- Biodegradable and compostable silk floss. All Natural- Made of natural mulberry silk,wax and natural mint flavoring. Reusable Bottle- Keep the bottle and just buy floss spool refills when you're finished! Plastic Free- Packaged in recyclable cardboard and a biodegradable corn starch bag. The Eco-friendly Choice- Our floss is perfect for all of you who are trying to take or are already taking a more eco-friendly approach on the world.