Purina 25 lb. Chow Hound Automatic Dog Feeder is made from durable galvanized steel to ensures your pet's food stays fresh, dry, and pest-free. The magnetized door securely closes, preventing unwanted pests from accessing the food, while the specially angled chute provides a steady food flow on demand. This feeder can be conveniently mounted on a wall or frame and comes fully assembled for easy setup.