This interchangeable keychain has 2 blue Dicrotic Glass beads, 2 silvertone beads, and one blue and white porcelain bead with a silvertone grommet. To change beads, all you have to do is unscrew the bottom silvertone ball, and the beads will slide off. A lanyard clip is on the keyring, allowing it to be fastened on a belt loop, a bookbag zipper, or a purse. Total length of this keychain is 3-3/4 inches. Your Dicrotic Glass Keychain will arrive gift-boxed, and shipping insurance is included in the shipping costs.