Fluid decoration including a soft transparent or semitransparent envelope body and a seat body. At least two kinds of fluids with different specific weights and colors are filled in the envelope body. An inlaid member is placed in a bottom end of the envelope body. The bottom end is then sealed. The...http://www.google.co.uk/patents/US20020069565?utm_source=gb-gplus-sharePatent US20020069565 - Fluid decoration
