You start showing both hands EMPTY. Then you take a RED silk push it into the top of your fist and it emerges from the bottom change to a WHITE silk. Both hands are then shown to be EMPTY. The WHITE silk can be immediately changed back to the ORIGINAL color. This professional gimmick has been specially designed by Vernet made in PLASTIC. It's very easy to handle. NO Silks are supplied. Measures approximately 2 inches long.