Super Strong Stickers Never Fall Off: The upgraded buckle design solves the problem of suction cups easily falling off. Our window bird feeder is equipped with 3 strong adhesive papers, which perfectly improves stability, you no longer have to worry about the bird feeder falling. No bad weather affect it, super strong weighing. We also include 3 stickers as an extra measure. (Note: Use alcohol to remove glue residue from ) Removable Bird Seed Tray: The transparent window bird feeder is equipped with a removable tray for easy filling and cleaning. The card slots on the back of the tray are fixed to make the tray stronger and not easy to fall. In addition, our tray uses a porous design making it easy for bird feed to dry without worrying about the bird feed wet and dirty, providing your birds with fresh food. Clear and Wide View: Our wild bird feeders are made of high-quality high-transparency acrylic material, almost transparent sense, allowing clear observation of birds, and a larger