Hummingbird Feeder - Swirl - BlueGlass Single Hummingbird Feeder. Made of mouth blown glass in Egypt from the Egyptian Museum collection. This lovely hummingbird feeder is Clear etched glass with a baked in color. The entire item has a high gloss finish. It includes a copper feeder tube with a larger rubber stopper to seal the liquid in the glass and a rubber stopper with a hole at the other end. All sides are finely detailed. Each is mouth blown using German Pyrex Glass, and the