Item Description 30 x 100 cm woven wire mesh: the wire mesh screen size: 30 x 100 cm / 11.8 x 39.3 inches, aperture: 0.6 mm/0.02 inches. Large size, enough for your daily use. Suitable for the ventilation opening of most fans and windows. ?【304 stainless steel material】The wire mesh is made of 304 stainless steel material, which is strong and durable, not easy to rust, corrosion-resistant, will not leave rust stains on bricks or wood, easy to maintain. In addition, it has a high tensile strength, high temperature resistance, and can be used for a long time .