Product Description Material: Acrylic Size: 2011.521cm Color: Transparent Package Contents packing: 1 * hanging bird feeder 1. 【High Quality Shell】: Made of high quality transparent acrylic material, containing ultraviolet stabilizer, which helps maintain transparency for a long time and prevent yellowing; the weatherproof design is suitable for various weather conditions. 2. 【Expandable Feed Tray】: Designed with a removable feed tray, you can easily and conveniently clean the bird feeder and refill the feeder with fresh semen without having to remove the entire feeder. Simply remove the tray, fill it and push it back. 3. 【Strong Suction Cup】: The strong suction cup can be firmly attached to your window and can stay in place even in extreme weather. it is also easy to install on transparent windows or remove in other places. 4. 【Anti-Mildew System】: The bird feeder station is equipped with drainage holes to keep your bird species dry and prevent mold. Both the removable bowl and the