These showcards are made of thick, stiff cardboard and are designed to reflect light. Super white reverse side. This studio board has many uses including reflecting light, runners and cue cards.
MPR Says: "Showing You the Best Reflections"
"Good for reflecting just the right amount of light and creating and nice hue or silver look. White show cards are used as bounces too. Clamp your show card on to a c-stand and add the perfect little details to your picture. "