FRIENDSHIP BALLS ARE PERFECT FOR YOUR FISH POND. FOR A DECORATIVE ADDITION HANG IT IN A WINDOW AS A COLOURFUL SYMBOL OF FRIENDSHIP. THE BLOWN GLASS BALLS ARE SEALED AIR TIGHT AND SERVE AS BEAUTIFUL ACCENTS FLOATING ON THE SURFACE OF ANY WATER GARDEN. JUST LIKE FRIENDS, NO TWO ARE ALIKE. APPROX 4.5 INCH DIAMETER.