Earth lovin. What's great about grin. An alternative to 100% plastic. Longer floss wraps around tooth for a spool-floss like clean. Earth lovin' made of a proprietary blend of corn starch and plastic. Charcoal infused floss brightens between teeth - bling! Safe Fold-Back Pick: We want to protect you as much as we do the planet. Intertek Sustainability: Verified reduced plastic. USDA Certified Biobased Product: Product 37%.