About this item: 【30x100cm Woven Wire Mesh】The wire mesh screen size: 30x100cm/11.8x39.3inch, Aperture: 0.6mm/0.02inch. Big size, enough for your daily use needs. Suitable for the vent of most fans and windows. silver 【304 Stainless Steel Material】The wire mesh is made of 304 stainless steel material, which is 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, high temperature resistance, and can be used for a long time .