1.Material: aluminium

2.Name, address, telephone number, series number can be printed on the rings.

3.Inner size:2mm-28mm

4.Color: sky blue, blue , dark blue, black, silvery, red, dark red, pink, light brown, brown, green, dark green, orange, purple, dark purple, golden, yellow.

5. Can make it open/slip if over 7mm

Bird leg ring size for your reference.

1- Zebra finch ( 2.5 mm )

2- Canaries ( 3.0 mm )

3- Java sparrow -budger ( 4.0 mm )

4- love bird ( 4.5 mm )

5- Cockatiels (5.5 mm )