3 Upgraded Suction Cups - Our bird feeder comes with 3 extra strong suction cups for stronger suction, providing a safer and sturdier area for birds. To note: 1. Be sure to clean the suction cup and the glass before use. 2. Attach the bird feeder first, then tighten the suction cups. EASY TO INSTALL AND CLEAN - Just use the upgraded suction cups to attach the bird feeder to the glass. Easily clean small bird feeders with water. 15156cm bird feeder window, specially designed for small birds. Double post design - The window bird feeder is equipped with double posts for the bird to stand linger and eat. There are drain holes for drainage on rainy days, keeping food dry and preventing mildew as much as possible. Clear Birdwatching - Made of strong, durable and transparent acrylic, this bird feeder window provides a full view view for bird watching. You can get up close with wild birds such as Cardinals, Blue Jays, Finches, Chicks, Chickadees, Nuthatches, Chickadees, Sparrows. PERFECT
