This 2 x 3 color card, with rigid construction and precision printed reference colors is a very inexpensive path to better digital color. The small size is not a problem as the print resolution exceeds camera resolution and most digital cameras automatically find the grey-area when performing a white-balance and you can just zoom-in to frame the whole color card. IT'S EASY to improve the color of your photos in 3 simple steps: 1) white-balance your camera using the Neutral GreyBalanceCard side, 2) photograph the Color side and then photograph your subject and 3) use the auto-adjust features of your photo software in your computer. INSTRUCTIONS are included, in a 24-page full-color guide book, for Picasa (Free from Google), Photoshop Lightroom, Photoshop Elements and Photoshop CS4. For more advanced users, the User's Guide also includes discussion of color balance theory, additional software adjustment procedures and default card color data. NOTE: Like all quality photographic color references, the colors are not plastic-laminated (which would damage color accuracy) so do not let the colors get wet. The User's Guide is an integral part of the product so is not available as a free download. CameraTrax 24ColorCards are designed and manufactured in the US. Other card sizes include the -3 x 5 OneSnapColor (3.25 x 4.75-in). CameraTrax reserves the right to make product changes at any time without notice. QUESTIONS: You can always email 'info' at CameraTrax.com.