Thickness 20 Gauge (0.88 mm) Material Grade SS304 Opening Size 3/8 Inch Hole Shape Rectangular Mesh Number Size 100 Weave Type Plain Color Silver Usage/Application Aquaculture Industries Stainless Steel Mesh: Durable and Corrosion-Resistant. YKM Stainless steel mesh is one of the most popular types of metal mesh due to its durability and corrosion-resistant properties. It is made from a combination of chromium, nickel, and other metals, which gives it its strength and resistance to rust and corrosion.