Package IncludesCome with 4 sets of 8-page reflective pin wheels and its assembly parts. The size is 24.5cm/9.65inch in width and 52cm/20.47inch in length. It is conveniently placed in various places, such as garden, orchard, farm, balcony, etc. SafeOur reflective pinwheels are made of environmentally friendly and harmless PET. It makes full use of wind movement and light reflection to deter birds from any angle. Light flashes effectively repel birds without harming them. Also safe for humans. Easy to Install & UseThe bird control wind turbine can be inserted directly into loose soil or attached to branches or railings. Easily create your anti-bird zone and keep unwanted birds away from your house and fruit trees.Warm note: The effect will be greater under strong wind and sunlight. Practical DecorativeStronger laser reflection, good bird repellent effect. It prevents your crops from bird damage, scares away other small animals. Never worry about birds destroying your crop or droppings on balconies and swimming pools. Meanwhile, the brilliant color windmill can make your home more beautiful. Long Time UseDouble-layer wind turbine fan blades, reinforced connecting rod, make the anti-bird wind turbine more durable and not easy to break. Even if it is blown by the wind and the sun, the reflection effect of the windmill will not decrease.