The table top is made of high-stability technical wood, which is waterproof, sun-proof, anti-cracking, and anti-corrosion. The frame is made of aluminum alloy, and the surface is coated with polyester powder, which is corrosion-resistant. It can perfectly adapt to the outdoor environment. Give you extra work or dining space that folds down and out of the way when not needed. The adjustable bracket is suitable for virtually any railing,You can adjust the height according to your needs.