Showcase your range of products with these red metal lug jar caps, including plastisol liners, when paired with clear glass jars in various styles and sizes. These red jar caps include a lug finish that matches lug jars, including hexagon jars, square glass jars, and more highly popular for food products. The plastisol liners create a hermetic seal around the rim of the glass jars when heated and cooled correctly. Test these bold red metal jar caps with your choice of glass jars and sealing method to ensure complete compatibility.