1. Human-friendly and non-toxic: Eco-friendly and wildlife friendly, harmless to birds. By harnessing the natural instincts of birds, these discs tell birds to stay away without harming them. Solve your bird problems without harmful chemicals. Finally get rid of pesky birds - naturally and safely! 2. Bird trays can prevent gardens, crops, windows, boats, cars and swimming pools from being damaged by birds, and can also play a decorative role. 3.Easy to set up and pleasing to the eye: Just hang over crops or problem areas, make sure the discs are in sunlight so they will cause reflections to scare away birds. Simple and effective permanent solution to get rid of bird problems. More attractive than most traditional repellents and looks great around your house or garden. 4. Humanized birds and animals: Reflective suspension keeps birds away from woodpeckers, pigeons, ducks, herons, mynaes, geese and other pest birds. Protect property and crops from damage and mess. 5. Each bird pan is a double-sided mirror with stronger reflection. This disc rotates to reflect sunlight, creating a dazzling effect that will scare birds away.