1. Leakproof, removable tray: This clear bird feeder features a deep, removable tray with rounded edges to minimise seed spills. The drainage holes at the bottom prevent water accumulation while keeping more bird food than traditional feeders. Simply remove and wipe clean for effortless maintenance, easy to fill and clean. 2. Larger suction cups and more durable: Our outdoor bird feeder is equipped with 3 larger strong suction cups, which can provide a stable hold even in strong winds and extreme weather conditions. Install this bird feeder at a certain height (you don't have to worry about it falling off), you can enjoy bird watching while deterring unwanted guests such as rats and squirrels and preventing squirrels from accessing seeds. 3. Close bird watching: the window bird feeders are made of transparent plastic materials that provide a clear view to observe birds from close in the house. The transparent design helps birds locate food quickly, while you can observe orioles, finches, cardinals and other species within inches of your window perfect for nature education and pet entertainment. 4. Semicircular design: This wild bird feeder has a semicircular design that is different from others. It enough space for birds to stand and feed comfortably. And it also provides a clearer observation experience for cats, children, the elderly, etc. The feeder is durable for several seasons and therefore suitable for yearround outdoor installation.