Very effective: Several refractions associated with the movement of the wind scare, confuse and prevent woodpeckers and other birds from acclimatizing Non-toxic: Responsible for scaring birds. Made of harmless material, these plastic screw rods will not damage the individual springs, it can also be used as a deflector to warn birds PROTECT: Protect your home and garden from all kinds of birds with these lovely bird bars. Reflected light: The high-quality anti-bird pole can be rotated 360 degrees to reflect light in all directions The dual function of decorative ornaments to repel birds and beautify your home and garden Product name: Spiral bird repellent stick Product size: 30cm Product material: plastic Product Shipping: 7 Pieces Product color: multicolor Application: garden, balcony, roof, orchard, cherry orchard, airport, etc.