Silvertone School Bus - Side - Celtic Knot Charm Bead Hanger. Silvertone, hand enameled charms. Charm size is approx. 0.49 x 0.62 x 0.1 inches (HxWxD) including loop. Celtic Knot Charm Hanger Bead is approx. 11.5 x 7 x 11.5 mm (HxWxD). Our Charm Beads are compatible with most Charm Bead Bracelets. Also makes a great charms pendant. Featured charms is an exclusive Delight & Co. design. We are a family owned company for over 35 years in the U.S.A. PLEASE NOTE: Our products are lead safe, but are not intended for children 14 years and younger.