Size: 2.7mm >
Color: green ,red, yellow,white,orange, green >
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. > >

there have 8mm -20mm , welcome inquire.