Premium MaterialThese silver windmills are made silver flash polyester materials, which are durable, shatterproof and weatherproof Easy to assemble The items you receive need to be self-assembled. Just reference the operation diagram: Fix the windmill piece by piece and build the pole Suitable Occasions Install these strings of windmills in courtyards or porches, gardens, lawns, swimming pools or outdoor restaurant spaces, on boats, and anywhere else you want to be a bird-free zone Highly EffectiveScare birds away without the harmful use of bird spikes by bright flashes of light scaring birds from the area - Scare sparrows, pigeons, woodpeckers, doves and many other bird species Beautiful and practicalThese pinwheels fit easily into the ground and decorate each garden while driving away pests Descriptions Material: environmentally friendly PVC PP rod length: 20CM/8inch Windmill expansion width: about 18CM/7 inch Scope of application: farmland, orchard, garden, lawn, etc. Role: Through the light of the opposite of the bird's visual confusion, the result of frightening. To achieve the effect of driving birds. Non-toxic safety: Free of chemical and technical elements, pest control in a natural way. Even if exposed to the sun or rain, the characteristics of the reflection will continue for many years. Beautiful and practical: These pinwheels fit easily into the ground and decorate each garden while driving away pests. Pinwheel Installation Instructions Firstly place pinwheel blades into the black pole, then put yellow round part into the black pole, then press each blade on the yellow flat round part one by one in proper order. then press holographic flower part and yellow round disc onto the pinwheelblades, finally put red cover at the end of black pole avoiding the pulling off of yellow round disc. The package includes 10 x windmill