The theraputic perch is a vet designed variable size perch which will trim your bird's nails and beak naturally while promoting healthier feet and leg muscles. Baby Medium is 3/4-inch diameter by 4 inches long. Colors include white, blue, pink, orange, yellow, punch, purple, green. Please indicate your preference in order in box above, or indicate "no preference." If nothing is entered we will assume "no preference" Since we always do not have all colors, if your desired color in not available, we will send the closest color.