The 18% gray, black, white balance card is a must-have for professional photographers. It helps you easily achieve white balance calibration. With its black, white, and gray three-color combination, the balance card meets the demands of different scenarios. Features -Color:Black -Material:Plastic -Size:17.80X12.80X1.30cm/7.00X5.03X0.51in -Essential tool for professional photographers: Large black, white and 18% that helps calibrate balance easily. -Versatile card is designed with three color, black, white, and gray, catering to different scene requirements. - durability with plastic materials used in its construction. -Convenient portability provided with a portable neck strap for easy carrying and storage. -Balance card works with most and DSLR digital camera, with a wide range of application. Package list: 1 x Photography Card with Lanyard Strap