Cobalt Blue Optic Twist Gourd 3 inch, Kugel, Catalog Number: Gourd B11-80 Bright Cobalt Blue Optic Gourd. Size is 3" Diameter x 10" Long, Approx. Bright color Gourds with a 3" Diameter size head. All with a loop for hanging. Wonderful addition to any collection, please check our inventory for stands, displays and ornament trees to display your ornaments.