FEATURE:
1. Made of high quality plastic material, durable and reusable, long service life.
2. The inner ring is made of aluminum, which is very light and does not affect the movement of pigeons.
3. For easily identifying similar looking birds, more practical.
4. Small size and lightweight, easy to carry and store, convenient to use.
5. Fine workmanship, fit for all birds like pigeons, parrots, etc.