... Wire Mesh: Opening Wire Diameter In inch In metric unit(mm) 1/4" x 1/4" 6.4mm x 6.4mm 22,23 ... 16mm x 16mm 18,19,20,21, 3/4" x 3/4" 19.1mm x 19.1mm 16,17,18, ... 19,20,21 1" x 1/2" 25.4mm x ... 12.7mm 16,17,18,19,20,21 1-1/2" x 1-1/2" 38mm x 38mm 14,15,16,17 ... 30m;width: 0.5m to 1.8m 2.Special sizes available at request 3.Packing: in waterproof paper in rolls. Custom packing