... tins in one outer carton OEM welcome Gently move floss up and down against each toothClean below the gum ... to remove bacterial plaque.Rinse floss as needed.High abrasion and guaranteed shred resistant;Strong at high temperature and tenacity,low shrinkage ... quality managements system certification,got FDA approval and CE,exported to more than 50 countries and areas. FDA appraved dental floss picks- ...