Observer Window Feeder, .5lb capacitySee birds up close. Ideal for sparking children's curiosity and helping them learn about backyard birds. 3 strong suction cups attach feeder right to window. Open sides and clear uv stabilized plastic construction provides an unobstructed view. Attract wide variety of birds by offering different types of food year round. Multi purpose deep dish feeder holds 2 cups of seed, fruit, suet or mealworms. Sloped cover and drainage holes. Lifetime warranty