Features: The testing shields classroom are must have for your class, and the different colors can help you easily identify your students when their faces are hidden behind the boards. The testing dividers can also be shared with your friends, family, coworkers, who is bothered by distractions when working or studying, which will bring much convenience. Specifications: Material: posterboard Color: as is shown in the pictures Overall size: about 15.8 x 13.4 x 11.81 inches/ 40 x 30 x 34 cm Front size: about 15.8 x 13.4 inches/ 40 x 34 cm Side size: about 13.4 x 11.81 inches/ 34 x 30 cm Package includes: 30 x Student table dividers Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Pointed products, please keep them away from small kids.