The invention is a mating film. The mating film comprises a base sheet having a first major surface. A plurality of generally parallel ridges project from the first major surface. The ridges comprise a stem portion attached to the base sheet and generally upright from the base sheet. A head portion of...http://www.google.com/patents/US6763556?utm_source=gb-gplus-sharePatent US6763556 - Mating film and method for bundling and wrapping
