Neewer 8''X7''/20cm X 17cm Wooden Director's Film Movie Slateboard Clapper Board It can record film production, director, scene, take, roll and date. Engraved lettering for longevity Size ( L x W ): Approx. 8 inch X 7 inch/20cm X 17cm Material: wood, quality safe and environmental-friendly. Color: White and black