The present subject matter includes apparatus and methods for a heat shrinkable water resistant image medium. The method can include providing a shrinkable coating comprising a polyurethane dispersion and applying the coating to a shrinkable substrate. The shrinkable substrate and the shrinkable coating...http://www.google.com.au/patents/US8114485?utm_source=gb-gplus-sharePatent US8114485 - Water resistant shrinkable medium for receiving ink