Dr. Collins PerioPro Floss takes professional strength floss to the highest level, with the strongest floss fiber available! Unlike most floss which is made of nylon, Dr. Collins PerioPRO floss is made of the thickest polyethylene fiber. The shred resistant Perio Pro Floss features a unique multifilament that picks up more plaque and debris. The mild mint wax coating allows the Dr. Collins PerioPRO Floss Floss to slip easily between the teeth and leave a refreshing clean taste. Dr. Collins PerioPRO Floss Floss works great with floss holders/aids and will not break or shred in the presence of rough fillings or dental work. BENEFITS * Shred resistant * Easily slips between teeth * Cleans more surface area * Great with floss holders and flossing aids * 150 meters worth of floss *For best results use with the Perio toothbrush