Pvc coated welded mesh Opening wire diameter In inch in metric unit(mm) 1/2" x 1/2" 12.7mm x 12.7mm 16, 17, 18, 19, 20, 21 3/4" x 3/4" 19mm x 19mm 16, 17, 18, 19, 20, 21 1" x 1" 25.4mm x 25.4mm 15, 16, 17, 18, 19, 20 Technical note: 1, standard roll length: 30m;width: 0.5m to 1.2m 2, special sizes available at request 3, packing: in waterproof paper in rolls. Custom packing available at request. Inside plastic outside weaving, according to customer's requirment