Crafted with natural vegetable wax for a smooth glide. This is the #1 cleaning tool, better by design. It's a top choice natural floss and is award-winning. Free of PFAs and PFTE. Certified B Corporation®. Corseda - Fair Trade Cooperative. Women Owned™. Earth-friendly & recyclable. Pure, handspun fair trade silk, waxed for a smooth glide. Our pure silk floss provides a smooth, clean glide to help remove plaque and reduce the chance of cavities between the teeth without leaving any chemicals behind. Green by design, plastic-free & no impact packaging. 100% sustainable paperboard. Clean & Green Ingredients.