2" x 10' x .02", silicone burial wrap, self adhesive tape that protects brass fittings from contaminants that can be found in ground conditions, underground burials of sharkbite fittings require that the fitting be wrapped in an impermeable material in order for a warranted connection, stretches up to 300% for easy use & creates a watertight seal by bonding within minutes, working temperature of -65 degrees fahrenheit to more than 500 degrees fahrenheit.