Description: 304 Steel Material：The wire mesh is made of 304 stainless steel material, strong and durable, not easy to rust, anti-corrosion, will not leave rust stains on brick or wood, easy to maintain. In addition, it has high tensile strength and high temperature resistance, which can be used for a long time. 30 x 60cm Wire Mesh Fine Mesh：Wire mesh size: 30 x 120cm/11.8 x 47.2 inches, hole diameter: 0.6mm/0.02 inches. Large size, enough for your daily use. Fits most fans and window vents. silver. .