Gemnique Glass Gems, Electric Lapis Opaque glass finish for electric lapis blue color, with deep blue swirls Overall size is 17 to 19mm - (approximately 3/4") Popular in home decor as vase fillers, table scatter and decorative accents, also in crafts and aquarium decor Flat on one side - nearly round in shape Large 1lb package - approximately 1-1/4 cup of gems