The Sky Cafe is a good quality squirrel-proof feeder that also features a large seed capacity and 360-degree visibility. The large 17" dome is designed so squirrels are unable to climb on to the feeder and also serves to protect the seed from rain and snow. Cardinals, chickadees, tufted titmice, woodpeckers and many other songbirds gather on this circular, full-view patio. It is particularly suitable for cardinals who prefer larger areas to perch on. Customers tend to be very loyal to this feeder. Its large capacity 1.5 gallon hopper means fewer trips to refill. Clear-view, easy-flow seed dispensing means birds peck at a seed and it falls out in front of them onto the tray for easy dining. The durable Plexiglas lasts for years and years.