Name: Foldable Desktop Expansion Board Material: solid wood Purpose: Broaden the desktop Color: Classic Black/Classic White/Light Walnut Yellow/White Maple Size: 50x25cm(19.7x9.8inch) / 65x25cm(25.6x9.8inch) / 75x25cm(29.6x9.8inch) The content includes: solid wood ecological board x 1, slide rail bracket x 2, screws x 4, fixing screws x2 Features: height adjustment, can be adjusted to your comfortable position. Solid wood material, environmental protection and health. Ergonomic design, improved sitting posture, simple and generous design concept, harmonious and natural colors and a variety of styles of working environment, bring a beautiful life enjoyment. Installation process: 1. Pull open the bracket 2. Fix the bracket to the back of the panel with two screws 3. Tighten the brackets on the left and right sides of the panel 4. Complete the installation Note: 1. Minor errors will occur during manual measurement, and an error of 1-2cm may occur. Please refer to the actual product. 2. Due to light shooting, the color of the picture may be slightly different from the actual color, please take the actual color first.