Glass paragon jars are popular for their versatility. Featuring wide openings and slender bodies, these jars are easy to fill while optimizing shelf space. Paragon jars are often used for jams, sauces, herbs and spices. These paragon jars feature a lug finish. A lug finish consists of several tapered ridges designed to mate and require only a partial turn to seal the cap. These glass paragon jars can be topped with a wide variety of lug top caps to create your custom product. These jars are not compatible with screw caps.