One can make one's own decorative bottle for storing holy water. Get a
nicely-shaped bottle --preferably one with a flat surface on one side
-- with a gold-colored or silver-colored screw on top, such as the
Soak the bottle in hot water with a little alcohol to totally
remove all paper and sticky glue, and let it dry thoroughly.
Make a stencil of the words "Holy Water" ("Aqua Benedicta" in Latin),
or a stencil of an appropriate symbol, such as the fish, or a symbol of
Baptism. Use a chemical etching agent to etch the glass with the words
of symbols you've chosen.
Chemical etching agents can be found in
craft stores such as Hobby Lobby or Michael's. Follow carefully the
come with your etching agent!