NON-TOXIC MATERIAL: Scare birds the responsible way. They are made with durable, heavy duty Mylar that it is crush, UV and weather resistant. Silver Mylar Pinwheel doesnt break down easily. Pin Wheel will not harm birds.^ PROTECTION BIRD: Many birds have been reported to have died from smashing into window glass. Whirl reflective pinwheel can effectively protect birds and creates a free environment for birds.^ EXTREMELY EFFECTIVE: Sacre bird away and Deterrent Pinwheel is a highly effective anti-bird device. Birds hate shiny reflective objects and will avoid coming near these anti-bird Spinners, thus protecting your garden, farms, lawn.^ Multifunctional: used for farmland, vegetable garden, courtyard balcony, roof, window. Inserting around a fruit tree or vine. Windmills can drive away birds and other small animals. The pinwheels can also be used as toys for children.^ USE METHODE: The assembly method is simple. Install pin wheel, when in use, insert the pinwheels directly into the soft soil or hang spinner. This is also a chance to practice handwork ability and increase interactions with kids. ^