Enjoy a myriad of feeding garden birds just outside your window. The Eva Solo Bird Feeder is made of glass and is mounted directly on the window-pane. It has an opening which makes it easy for small garden birds to settle on the glass rim and feed, while the clear glass gives you every opportunity to study the different species of birds close up. To refill, just pour the seeds through the opening into the feeder, which holds 90 ml. The glass can be easily removed for cleaning. Also, the glass is frost-proof for use all year.