These gabion baskets have been specifically designed as decorative and sound-insulating garden barriers. Durable material: Made of corrosion-resistant galvanised iron for stability and durability, and with a sturdy gabion wire diameter of 3.5 mm, these gabion walls will adorn your garden season after season. Stable construction: These arched gabion cages are designed to be filled with rocks or gravel for stable construction. Wide application: You can place these gabion retaining walls anywhere you need to keep the wind and rain out, and they can also be placed in your backyard, front yard or patio as a decorative addition to your outdoor living space.