Transparent ones with silver contour from Seed Bead colors. Its original name is Transparent-Silver Lined. It is also called glass bead among the people. The holes of the bead are round and square cut. The code of the ones with round holes is 331 19 001 and the ones with square holes are 331 29 001. The silver contour gives the bead a shiny, sparkling appearance. More than 50 color variants are available