tetra recart® is the first retortable carton package designed for shelfstable products traditionally filled in cans, glass jars or pouches foods like vegetables, beans, tomatoes, pet food, soups and sauces.the rectangular shape of the tetra recart® package leaves no space wasted on the shelf.the tetra recart® package is great for fun interaction with consumers. it lets your product express itself in brand new ways.the tetra recart® package weighs 64 less than a can.