Hexagonal gabions evenly spread forces for top stability. They're corrosion-proof, with galvanized, PVC-coated, or stainless options. Mesh reduces erosion; modular design eases install. Main wire dia: 2.0 - 4.0mm; mesh: 60×80mm etc. Box sizes customizable, common: 1m³ etc. Zinc coating up to 245g/m². Bears 500kN/m² max load. Porosity >35% for great drainage.