【New, Unused】 LION DENT.EX Ultra Floss Set of 2 Boxes This is dental floss exclusively sold at dental clinics. This high-performance floss uses "Tecmilon™", a special fiber that is difficult to break. It's a holder type, easy to use, and recommended for interdental cleaning. Set Contents M Size (Regular Type) … 3 pieces per box × 1 box S Size (Thin Type) … 3 pieces per box × 1 box Total: 2 boxes (6 pieces total) Unused and unopened. Will be shipped in simple packaging.