Kilner® 7 Oz Wide Mouth Canning JarThe Kilner Wide Mouth Preserve Jar is perfect for storing and canning healthy, home grown foods. Featuring a 2 piece lid system which comprises of a tin disc and screw band ensuring a secure vacuum seal is achieved, keeping the contents fresher for longer. The jar capacity is 6. 8 US fl oz which is perfect for canning small size fruits and vegetables. The wider opening allows for easy filling and decanting. The jar has embossed fl oz volume indicators