Feature: 1. Made of high quality acrylic organic material \u0026 wood. 2. The colorful wood has built-in magnet, so it will join together when being clapped, and the sound is clear. 3. The printed characters won\u0027t fade for frequent usage. 4. You can write on the board with marker pen. (Pen is not included. ) 5. A professional video pros for film/movie/TV making. Specification: Features: Made of high quality acrylic organic material & wood. The colorful wood has built-in magnet, so it will join together when being clapped, and the sound is clear. The printed characters won't fade for frequent usage. You can write on the board with marker pen. (Pen is not included. ) A professional video pros for film/movie/TV making. Specifications: Color: White Board / Black Board Material: Organic Acrylic + Wood + Magnet White Part: 30 * 19cm / 11.8 * 7.5" Item Size: 30 * 24.3 * 1.8cm / 11.8 * 9.5 * 0.7" Item Weight: 409g / 14.4oz Package Size: 31.6 * 25.5 * 3.7cm / 12.4 * 10 * 1.4" Package Weight: 508g / 17.9oz Package List: 1 * Clapboard Package List: 1 * Clapboard