These are exquisite plastic beads with a 5mm diameter. Their rounded shape, dark purple color produces a rainbow effect when shown under light. These are practically weightless and ideal for handicrafts, handmade jewelry, ornamental and decorative projects. They are very economical as they are sold in bulk, making them useful for large projects. The beads are sold in loosely which makes them convenient for craftsmen and artists alike. The beads are available in packets of 2 cups at approximately 4000 beads per pack, making these plastic beads cost effective and sophisticated.