Precision-sized for small birds, these 3.5mm black aluminum closed rings are ideal for Bengali finch,Diamond Doves,Bourke's Parakeets. The sleek black anodized finish gives a clean, professional look while the deep laser engraving keeps identification codes sharp for years.

As closed rings, they must be slipped over the chick's toes during the banding window, typically between 5–10 days old for Large Finches & Canaries,Diamond Doves,creating a permanent, tamper-proof record of captive-bred origin.

Key details:

• Quantity: 50 bands

• Size: 3.5mm ID × 4.5mm Height

• Type: Closed ring (must be fitted on chicks)

• Material: Anodized aluminum (not plastic)

• Color: Black

• Best for: Large Finches & Canaries,Diamond Doves

Want custom engraving on your rings? Contact us to discuss your requirements.