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 will 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 panoramic area, allowing you to have an unobstructed view when bird watching or taking photos. No Assembly Required: Snap the sticker into the groove on the back, peel off the sticker protective film, and place the bird feeder in a suitable viewing area. Please refer to our instructions for installation steps. The entire installation process takes less than 60 seconds. This window bird feeder will bring the birds right to you! This allows for closer viewing of birds. Our bird feeder the for bird lovers with aging parents. More Fun: The window bird feeders are convenient to observe birds with your children, pets, and family members, helping children to stimulate their curiosity about birds, eliminating pet boredom, and creating a warm atmosphere. Crossbar Colour:A:black Colour:transparent Material:Acrylic Size:22x9x22cm Package Contents: 1 x Window Bird Feeders Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.