... to acids and alkali,caustics,solvent and hydrocarbons(0-14PH);5,Gently stimulates gums and helps prevent gingivitis;Silky smooth texture ... slide;6,Material Type: PP, Nylon, PTFE, Expanding Floss;Flavor: Mint, Strawberry, Bubble Gum7,Package: Blister PackIDDescriptionPakcageTC001-5Nylon,50m,Waxed ...