1STABLE: The feeder can hang firmly on the window to ensure that it won't slip or shake when viewing, avoiding collapsing and causing harm to the birds. 2RAIN PROOF DESIGN: It can effectively prevent rainwater from entering, which is conducive to keeping the bird food dry and fresh for a long time to avoid rotting. 3EASY TO CLEAN: The feeder is easy to disassemble and clean so that it can be regularly cleaned of leftover food and bird feces to maintain cleanliness and hygiene. 4EASY TO OBSERVE AND ADJUSTABLE: Allows the user to observe the feeding of birds more easily to increase the pleasure of watching. And its inlet size can be adjusted to fit the habits and feeding needs of different types and sizes of birds. 5ECO FRIENDLY AND DURABLE: Preferably made of reusable materials to minimize the negative impact on the environment. It is also very durable and resistant to various weather conditions and external factors to ensure a long service life.