Speaking to Ben Bouckley at Pack Expo 2012 in Chicago this week, Keefauver, manager, new market development at Sealed Air, said of the firm's new TDO Shrink Film: “The multilayer technology allows us to put a combination of polymers together, so that gauge for gauge, we’re able to offer a lower density, which versus monolayer PETG and PVC can give you an 18% yield improvement.”