100% brand new and high quality Benefits of using our tooth flossing heads Total cleaning for your teeth and gums Kills off bacteria and removes food debris Helps to remove plaque Keeps your teeth white and gums healthy Head Size: Red: approx. 25*3.0mm Blue: approx. 25*2.5mm FDA StatementThe sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, do not bid on this item unless you are an authorized purchaser. If the item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping of the item.