Radius Natural Silk Floss Sachets - Case Of 20 - CtRadius natural silk floss sachets are made from 100% biodegradable silk thread spun by the corseda fair trade co op in the mountains of columbia. The natural silk that we use is sustainable, non gmo and is coated in candelilla plant wax. They're soft and round to make teeth and gum protection easier and quicker. Our floss has no phthalates, parabens or other harmful additives. Each 100% biodegradable shipper has 20 natural silk floss sachets in it.