What you need:
empty lemonade bottle (2 litre),
glue for napkin technique,
Cut off the neck of the bottle with a knife.
Wash the bottle carefully and dry it.
Cut motifs out of the napkins. Separate the layers of the napkin. You only need the uppermost layer of the napkin on which the motif is printed.
Place the napkin motif on the bottle and apply some glue for napkin technique.
Let the glue dry.
Make two small holes into the upper rim of the bottle on opposite sides.
Pull a piece of wire through the holes for hanging.