Constar International Inc., a leading producer of polyethylene terephthalate (PET) plastic containers, has announced its successful collaboration with Diageo to introduce Smirnoff Ice in high performance Starshield barrier PET bottles, thus extending the shelf-life of this fashionable and popular drink. Diageo, the owner of the highly successful Smirnoff Ice brand, has been offering the product in Constar 330ml standard PET bottles primarily for use at concerts and events where glass is prohibited and where the safety of large crowds is paramount.