Key Features Durable and Safe Materials - The garden trellis is constructed of PE-coated metal poles, which is rustproof, durable, and not easy to burn plants. Moreover, with the upgraded plug-in design, along with thick supporting rings, it provides reliable and long-lasting structural stability. Adjustable Size - The 56" tall plant support trellis comes with 3 height options-32", 44", and 56", which meet the growth heights of various climbing plants, and adapt to accommodate plants at every st