Three color in one. It brings science to the art of digital color control. Digital Grey Card gives you perfect digital color every time! 

Features:
White， Black & Neutral Grey Cards.
For Perfect Color Balance.
Use With Any Digital Camera.
Can Be Used in Pre-Production or Post-Production.
A Must-have for every Photographer.

Specifications: 
Color of the Cards: White， Black， Gray 
Size: 25 * 20cm / 10 * 8in 
Package Size: 25 * 20 * 1cm / 9.1 * 6.3 * 0.8in 
Package Weight: 251g / 8.92oz 

Package List: 
3 * Cards