Upass synthetic urine is perfect for equipment calibration, pranks, fetish play, and more. It can be prepared in as little as 15 seconds. As long as you have some on hand, you'll never have anything to worry about. The synthetic urine is so convincing that it can be used to calibrating equipment and prank even the wisest individuals. As long as the synthetic urine urine is prepared properly, there is no way to tell that it's fake.