High quality bird clip ring Inner diameter: 2.7mm, 3mm, 4mm, 4.5mm, 5mm material: plastic Color: Orange White Pink Yellow Red Green Packing: 10 Pcs Number: Randomly send discontinuous numbers The size of the foot ring (inner diameter) 2.7mm Bird species: Indian silver bird, African silver mouth bird, red head bird, gem sparrow, etc. 3mm bird species: colored canaries, ordinary red belly skull, brown tits, black canary, all kinds of organ birds 4.0mm birds: colorful birds, Acacia birds, ten sisters, pearl birds, hibiscus birds, 4.0mm-4.5mm Bird species: tiger parrot, Australia. Prairie parrot. Campanulaceae glory Burke's 4.5mm-5.5mm Bird species: big head parrot, Pacific, horizontal spot, peony, cherry, Godi style, etc. Wearing steps: 1. Snap the snap ring onto the canary leg with normal force. 2. Rotate 90°, then squeeze the snap ring firmly to make it fasten completely.