4 Pack in Proper Size- Each mesh screen is in the size of 30 x 21cm/11.8 x 8.2 inches.The 4 pack can be tie together, will be more practical and functional. Durable & Sturdy- 800 High temperature resistant, high tensile strength, anti rust, anti acid and alkali, anti corrosion, easy to maintain.Will not easy to break while using.Great Stainless Steel Woven Wire 20 Mesh for daily needs. Easy to use- The 5 sheet metal security meshes are feely cut, you can cut it into different shape and size to match your needs.The unfinished surface, handle with care to avoid injury. Wide Application- These metal mesh sheet can be used for security mesh, construction and building meshes, fan guard mesh, fireplace screen mesh, foundation vent meshes, garden use mesh, gutter guard mesh, cabinets mesh, door screen mesh etc. Proper Size- Each window screen door mesh size 12 x 8 inch (30 x 21 cm), aperture 0.9mm, wire diameter 0.4mm, open area 52%.Also can be combined to use.Great Stainless Steel Woven Wire for repairing.