The Kilner Preserve Jar is perfect for storing and preserving healthy, homegrown foods. Featuring a 2-piece lid system that comprises a tin disc and screw band ensuring a secure vacuum seal is achieved, keeping the contents fresher for longer. The jar capacity is 0. 25 liters / 250ml which is the perfect size for making jams, jellies, and chutneys. Each jar embodies the traditional Kilner styling with the authentic embossed logo and contains a detailed instruction leaflet inside.