Kilner Canning Jar, 9-Fl Oz The smallest of the Kilner canning jars, this jar is ideal for canning small and compact fruits and vegetables All jars have a two piece metal screw top, providing a vacuum seal to ensure that your canned goods remain fresh Easy to use screw top contains a screw band that can be used up to 10 times, while the vacuum seal should be replaced after each use Embossed with the Kilner design to match with your other fine Kilner items Easy to clean and dishwasher safe