Mysterious shine fills every crystal in the Swarovski 3188 4mm XIRIUS Lochrose sew-on stone Crystal Iridescent Green bulk pack. These small crystal components feature a sequin-like design. Loch is the German word for "hole" hinting at the unique stringing hole placement in the center of each crystal. The round shape is full of brilliant facets, while the back is flat and foiled. These small crystals are versatile enough to use in clothing, bead embroidery and other sewing crafts. They are available in 200 piece packs, allowing you to use them in lots of designs. These stones feature an enchanting blend of metallic blue, green and gold color.