... About the Perforated Metal Mesh :1.Materials : stainless steel plate ,low carbon steel plate,galvanized sheet plate, cold-rolled ... metal, etc. 3.Hole Types : square hole, diamond hole, round hole, slotted holes, hexagonal hole, the hole, triangle hole, long waist hole ,the plum blossom hole, the scales hole, design hole ... any inquiry will get my first attention ! decorative perforated metal sheet