These are bright and colorful acrylic beads that come in assorted sizes, shapes and colors that a wonderful addition to any bird toy. Available in packets of 25 or 100 beads. Each individual bead varies in size from 3/4" to 1" and has a 1/4" diameter hole which makes them perfect for stringing. Mix & match them with other beads and toy parts and your bird will have hours of fun with their new toy.