[Bird Feeder for Outdoors] Outer frame all metal design, the metal mesh is baked paint, inside is a high thickness plastic bucket. [Keep Squirrels Out] Openings in the shroud align with the feeding ports, providing birds access to the food. When the squirrel crawls on the outer frame, its weight automatically forces the cover downwards, thereby closing the feeding port. [Multiple Feeding Ports] This feeder boasts four feeding ports with U-shaped perches so multiple birds can dine at the same time. [Transparent Food Pipeline] Transparent acrylic food pipeline, which allows you to observe the condition of the bird seed easily. Large capacity food storage allows the feeder to be hung outdoors for a period of time for feeding. Bird Feeder for Outside, Squirrel Proof Bird Feeders for Outdoors Hanging