Gemnique Large Glass Gems, Electric Dark Blue Luster Iridized opaque glass finish for electric dark blue color Large round glass baubles with flat bottom Overall size is 35 to 38mm diameter - approximately 1-1/2" Popular for use as aquarium decor, vase fillers and tabletop decoration, also in crafting and mosaics 1 pound Package (16 ounce) - approximately 17 to 20 large glass gems