Anti-bird netting: 4m x 10m; Mesh size: 1cm x 1cm. Can cover an area of 40m². The anti-bird netting is made of strong and durable nylon, which is highly stretchable, anti-corrosion, aging-resistant, anti-oxidation, strong but lightweight. Easy to install or you can cut it to any size with scissors. Use the cable ties to tighten the netting. It is easy to zip the cable ties, which makes your netting stronger. The anti-bird netting can be used in many places. When used in gardens and farmland, it can resist birds and other animals, protecting your vegetables, fruits, plants, and crops. When used in fish ponds, it can cover the fish ponds to prevent falling leaves.