Compared with wood, iron is used as a frame, which is more stable and less prone to cracking. The powder coating on the surface increases durability, making the iron less susceptible to natural rain, making it less prone to rusting and extending its service life.Acacia is a strong, durable and hard-wearing wood that resists natural erosion better than other woods, especially when outdoors. Strong water resistance, one of the best woods for outdoor use, good resistance to changes in humidity.