An economical, user-friendly and indispensable color correction tool, this pack of two gray cards from JJC is an essential item in every photographer’s kit. It helps get the colors in your image as precise as possible. Card Set This pack consists of two 8x10 cards. This gray card set is ideal for digital photography and can be a great way to achieve that perfect color balance in your pictures. Lighting You can use these cards under any lighting condition, both for pre-production and post-production. It is compatible with JPEG and RAW formats of images.  Material These cards are made of high-density paper based compound to ensure that they are scratch-resistant and durable.  Glossy Surface The gray side of the card has 18% reflectance, while the white side has 90% reflectance. The glossy surface of these cards will reveal any reflections that lead to incorrect white balance, helping you click photographs with consistent image exposure.