Keep squirrels off bird feeder! The unique design allows the baffle to rotate freely. Once the squirrel stands on top, it will rotate left and right, causing it to slide down from the dome. Two ways:Based on your needs, this squirrel baffle can be used in two application scenarios. It can hang a bird feeder to squirrel-proof and block wind and rain; It can also be installed on a Shepherd's pole to don't let squirrels from climbing up (the diameter of the pole is less than 36mm) Weatherproof : The bird feeder baffle not only protects against squirrels, but also blocks the wind and rain, preventing food from getting wet and spoiling, and prolonging food storage time. High quality materials - made of high-quality acrylic, which is not easy to break and increases the service life of the squirrel guard. If you have any questions, please feel free to contact us through Amazon, and our customer service will help you answer them within 24 hours. PFNRTH Rotating Dome Squirrel Baffle for Bird Feeders,Two-Ways:Bird Feeder Dome or Baffle for Bird Feeder Pole,12" Clear Dome Rain Guard.