1、Spiked Edges: 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 long lasting. 2、Squirrel Proof Baffle for Bird Feeders: 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、PVC Material: The black squirrel bezel is made of PVC and will not rusting. Not easy to crack, sturdy. It's gentle and unobtrusive in your outdoor areas, hard wearing and weatherproof, 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 force them to slip off the baffle. 5、Easy to Install: Bird feeder can be installed without removing the bird feeder. Firstly, secure coupler (included) tighten 2 screws to secure the buckle on the rod (fits for any 0.78 inch to 1.42 inches pole or shepherd hook). Item Type: Squirrel Guard Baffle Material: PVC Weight: Approx. 158.00g / 5.57oz 2 x Squirrel Guard Baffle Components 1 Pack x Screw Accessories