Designed specifically for various sports fields, the protective barrier system's core functions include safety protection, defining field boundaries, and reducing external interference, while also prioritizing the sports experience (e.g., unobstructed visibility, elastic adaptation to ball impacts) and field aesthetics. The mesh is woven from low-carbon steel wires with bidirectional bends, forming diamond-shaped apertures and offering excellent elasticity to cushion high-speed impacts from balls (such as soccer or basketball). Breakage of a single wire does not compromise the overall structure. The low-carbon steel wires are surface-treated with hot-dip galvanization or cold galvanization, and can be coated with an outer layer of PE/PVC plastisol (thickness 0.7-1.2mm, available in colors like grass green, dark green, or blue, with weather resistance increased by 3 times, making it suitable for long-term outdoor exposure).