1. Spiked Edges After extensive testing, we have designed the edges of the baffle with spikes. This effectively deters squirrels from chewing as they will fear injuring their mouths on the spikes! This design will make the baffle more durable! 2. Baffle Proof Your Bird Feeder Squirrel baffle is expertly designed, squirrel guard secures bird feeders and bird houses from raiding squirrel and raccoon, protects both pole mounted and hanging bird feeders. 3. Premium Material The black squirrel bezel is made of high quality plastic and will not rust. Not easy to crack, durable. It's gentle and unobtrusive in your outdoor areas, hardwearing and weatherresistant, not afraid of rain or sunburn. 4. Rotatable Design Squirrel Guard Baffle has the features of Rotatable and wobble. Wobbles when an squirrel tries to climb it. The squirrel baffle can be rotated and causes the squirrel to fall. Flying squirrels will also fly to the ground if they try to jump from trees as the wobble and large size feature will strength them to slip off the baffle.