Flip-flop hologram has two or three hologram images or text flips in one position
with big different viewing angle. So one hologram image will mask and another
hologram image will display when you change the view angle a little bit.
hologram sticker samples 1 2
Holographic sticker which has flip-flop effect.The letter 'L' and ''S is flip-flop
Flip-Flop hologram can display two images from different viewing angle. When the viewing angle
changes horizontally (left to right) or vertically (upside and down), different images evolve through the hologram.