Outside hanging squirrel proof bird feeder, It is made of high quality PP, durable. Retractable Design: The bird feeder can be extended up and down. When the bird feeder is extended, it can hold 50oz of seed capacity. Scenes to be used: Open the lid, put the wild bird seeds, sunflower seeds for birds, safflower bird seed etc, into the bird feeder, close the lid, and then hang the bird feeder under the eaves or in the garden. Large Capacity: It could be filled wih a variety of seeds to attract birds, such as peanut, black oil sunflower seeds, safflower seeds to attract red finches, tits, house finches, birds, blue birds, warblers, starlings and more. Humanized Design: With its circular roof, the birdfeeder features an inclined roof to shade birds from the sun and rain. When the seeds are eaten, more seeds will naturally fill the tray. Specification: Material: PP Size Chart: Folded: 20x20x12cm/7.87x7.87x4.72in After expansion: 20x20x19cm/7.87x7.87x7.48in Package Includes: 1 Piece Bird Feeder Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!