Puncturesafe is a liquid polymer gel which is installed inside the tube to prevent you getting flat tyres caused by puncturing objects up to 6mm.It is installed in minutes through the tyre valve without having to remove the wheels.With the movement of the vehicle Puncturesafe will completely coat the inner surface of the tyre with a thin 4mm coating.Once Puncturesafe has been installed it is then on guard to seal any punctures as they happen for the rest of tyre's life.It extends the tyre's life as it keeps it cooler.Quick, clean and easy to install.Instructions shown on the box.Colour may vary.