Easy-Bird-number rings

quality ring for individual identification in the colors blue, green, red, grey, violet, white, yellow und orange. The numbering permit a distinctively descent verification.

Numbering: 1 – 10, 11 – 20, 21 – 30, 31 – 40 or 41 – 50.

Size: 2,5 mm, 3 mm oder 4 mm