TOKYO-T Pet Bird Cage Seed Feeder Cup Shallow Style Set of 2 for Care, Treat Set of 2 same size : (M) Tray depth: 1.2 inch Width: 3 inch Length: 2.6 inch / Gouldian Finch, Budge size Gentle low-angled flat tray. Your bird does not need to crouch low too much to pick seeds. Stable thick rounded edge. Small bird can hold this feeder in comfort. ATTENTION: Those feeders are for the bar under 0.1 inch diameter.