U.S. Plastic Corp.® offers a huge selection of plastic jars for many applications. Whether you need a round, square or straight sided jar, we have you covered. We carry many different types of jars including wide mouth jars, acrylic jars, Nalgene® jars, polycarbonate jars, polypropylene jars, pet jars, polystyrene jars and many more. U.S. Plastic Corp.® has the plastic jar you need for your application.