... flat in surface with sturdy structure. Welded wire mesh is used in industry and agriculture building, transportation and mining for all such purposes ... .4mm x 12.7mm16,17,18,19,20,211-1/2" x 1-1/2"38mm x 38mm14,15,16,17,18,191 ... .5m to 1.8m2,Special sizes available at request3,Packing: in waterproof paper in rolls. Custom packing available at request. welded wire mesh