perforated mesh: Product features: light weight, prevent slippery, beautiful. Mesh:Using advanced CNC equipment, production, product and one-time high precision and small error, good quality, punch diameter (0.5 mm - 100 mm), and can accomplish thickness in diameter, equal (0.5 mm thick stainless steel plate can be blunt the hole diameter of 0.5 mm).Choose stainless steel, aluminum, copper, steel ...