We are offering pigeon control etc. We are offering pigeon control. technical details of anti bird net material: polyolefin all weather-proof co-polymer knotting method: machine knotting using cnc machines with dsls technology for anti slip knotting. heat setting:steam set for greater dimensional stability and knot firmness. diameter of the twine: 1 mm mesh size : 25mm x 25mm (+/-2mm) mesh type : square color : uv black dimension : 10 mtr x 30 mtr roll