Est 1842. Perfect for canning whole fruits and vegetables as well as your favorite preserves, jams and jellies. The original Kilner Jar. Home of preserving. The Original Kilner Jar, first invented by John Kilner and Co. in 1842, England, is as much-loved and successful now as it was 175 years ago. Its long-lasting popularity is owed to its unique pressure seal, iconic design and overall quality. Put simply, households all over the world trust it for canning and pickling their fruit and vegetables. The Kilner Canning Jar embodies the traditional Kilner styling. Featuring a unique pressure seal lid and easy to use metal screw top band, the jars are perfect for canning fruit, hams, jellies and pickling. Food safe. Widely recycled. The Rayware Group: A family of vibrant British brands.