Description Material: professional acrylic board production, prolong the service life of the product. Easy to write, easy to clean and difficult to clean. Custom design: Adjust the pins to integrate on the wooden strips. The pens we provide provide storage spaceand are easy to use. The film clamshell provides a firm closure, making the product louder. Practical: The product is light in weight and easy to carry. Suitable for recording of different scenes, especially suitable for simultaneous sound. Including:professional acrylic sheet, the product has complete functions and a better experience. quantity of delivery:1 piece (Package contents: Only the above package contents, excluding other products.) size:245*298*18mm (Reminder: The size is measured manually, please allow 1-2 cm measurement error) color:as shown (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)