Winpak Ltd. is engaged in the manufacture and sale of packaging materials and the production of packaging machines. The Company's products are categorized under three groups: flexible packaging, rigid packaging and flexible lidding materials, and packaging machinery. Winpak manufactures coextruded blown and cast films. It provides shrink bags, and flexographic and rotogravure printed laminations, and vacuum, stand-up and zipper closure pouches. It also offers converting services, such as printing, laminating, pouch and bag making, and precision slitting. It manufactures rigid plastic packaging products. It offers portion-controlled and single-serve thermoformed rigid plastic containers and sheet material and rigid containers. It is also engaged in the development and production of heat-sealable lidding products. The Company provides flexible lidding packaging. It provides a range of foil, film and paper material combinations for plastic or metal containers.