Similar to "The Woodstream 8108-2" Style Nectar Feeder this set of three are a medium-sized, clear glass and metal feeder designed specifically for hummingbirds. With a capacity of 10 oz and 4 stations, this vintage/retro style feeder is perfect for attracting these beautiful birds to your yard or garden. The included cleaning brushes and ant traps make it easy to keep the feeder clean and free from pesky insects, ensuring a worry-free feeding experience for both you and the hummingbirds. The bottles are clear glass which easily screw into the two part plastic feeding station. Put water into the hook cups, hang the feeders from the cups, this will help keep ants from stealing the sweet nectar.  Enjoy this set of 3 retro style feeders.