The Kilner Wide Mouth Canning Jar is perfect for storing and preserving healthy, home grown foods. Use the set of 6 to store multiple batches for future use. The jar capacity is 34 Fl Oz, perfect for canning large, whole fruits and vegetables, and its wider opening allows for easy filling and decanting. 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 has embossed FL Oz & ML volume indicators on the side to help you measure the exact amount, and are enhanced with the authentic Kilner embossed logo on the front. Each jar is made from high quality soda lime glass material with pristine clarity and consistent wall thickness ensuring no weak points. The glass jar is dishwasher safe."The Kilner Wide Mouth Canning Jar is perfect for storing and preserving healthy, home grown foods. Use the set of 6 to store multiple batches for future use. The jar capacity is 34 Fl Oz, perfect for canning large, whole fruits and vegetables, and its wider opening allows for easy filling and decanting. 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 has embossed FL Oz & ML volume indicators on the side to help you measure the exact amount, and are enhanced with the authentic Kilner embossed logo on the front. Each jar is made from high quality soda lime glass material with pristine clarity and consistent wall thickness ensuring no weak points. The glass jar is dishwasher safe. "