You will need:
Mask the vessel to desired pattern. Make sure you place paper on the section you are not spraying, this will prevent spray drift. You may have to do two coats for good coverage. Set aside and dry for at least a two hours. Play around with different sections and angles.
Once the paint is dry, remove the masking tape and place your washi tape underneath your sprayed section.
Place candles, plants or even stationary in the vessels and enjoy.