These vintage glass hearts were made in Czechoslovakia in molds during the 1980s. The heart is 6 mm from hole to hole and 6 mm wide at the widest point. The bead channel is small and will accommodate up to a 0.5 mm string. The hearts are a light blue with some white striping. The coloring is random on these hearts. Not everyone is the same. Some are more blue and some are more white. Some have more stripes and some have less. However, the predominate impression if you are using more than one is a delightful sky blue. Price is for 10 beads.