This item is well made of premium material for durable and practical use. They are 360 degrees reflective and work all year round, even during stormy weather. And they can be used for all places where you need to keep birds away, such as crow, sparrow, pigeon, and magpie. Features - Color: Silver. - Material: Plastic. - Size: 29.50x2.50x0.20cm/11.59x0.98x0.08inch. - Multiple angles of refraction points combined with wind motion to scare, confuse, and prohibit woodpeckers and other birds from adapting to environment. - Easily create your anti-bird zone and keep unwanted pests at bay from your home, garden, balcony, fruit trees, automobiles, and equipment. - These plastic spiral rods are made from innocuous material that will not harm a single feather. - They are 360 degrees reflective. Also use as a deflector to alert birds and prevent window strikes. - Double functions as a bird deterring device and a decorative ornament to beautify your surrounding home and garden.