Size: Bird proof net: 4 x 10m; Mesh: 2.5 x 2.5cm; Tie: 10cm; Ground nail: 11cm. The bird proof net is made of polyethylene with high elasticity, corrosion resistance, aging resistance, oxidation resistance and durability, with light weight. It is tough enough to withstand the effects of sunlight and weather conditions and will not tear . Easy to use: just open the bird net and where you want to use it. If trees, , grasslands, farmland, etc. you can also cut it to any size you need. Ties and will make your net more firm. Wide application: when used in and farmland, it can resist birds and other animals and protect your vegetables, fruits, plants and . When used in a fish pond, the fish pond can be covered to prevent falling leaves. Material:polyethylene colour:black Package Contents: 50 * tie 4 * ground nail 1 * bird net Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.