Material and Size: These metal wire mesh sheets are made of 304 stainless steel materials in 20 meshes, 21 x 30 cm / 8.3 x 11.8 inches; The opening is about 1mm, the wire diameter is 0.4mm. Advantages: The surface of the woven wire mesh filter is smooth and inter-wints structure, which is more durable, anti-rust, heat resistance, anti-corrosion, not easy to deform, bend and break, and long service life and easy to maintain Customized shape The Metal mesh screen is easy to bend and cut into multiple shapes and sizes for your daily using. Wide Application: Stainless steel ventilation metal mesh gauze can be used in vents in doors, windows, kitchens and bathrooms to prevent To retain the leaf that blocks the pipe and also use as filters, sieve passages ect Package: You will receive 4 pieces of metal mesh panels, practical and enough to use according to your own needs