How to choose a low cost and effective anti-bird net?

First: the size of the mesh, if there is a pond around you can choose a slightly larger mesh.

Second: the thickness of the line diameter, why do anti-bird nets choose monofilms without multiple strands of line? Because reduce the proportion, reduce the cost.

Third:materials, commonly used materials are: polyethylene, nylon and other materials, in short, the harder the material, the better, the new material composition is high.

Fourth: Structure, the structure of the anti-bird net is also divided into several kinds, but the most economical is the fishing knot type.