Seedbed mesh is welded with good quality wire, the structure is strong and durable. Normal wire diameter: 4.0/3.0mm Hole size: 120mm x 25 mm, 130mmx30mm, 50mmx50mm Max size: 1.9mmx4m Hot dipped, flat, durable and anti-corrosiion It is also can be galvanized or powder coated. With the professional experience, we can supply it well as per customer's reqirements.