The swing-top jars of Bormioli Rocco's Fido series are ideal for appetizers, desserts, preserving and food storage. Especially if there are large quantities to be filled the big Fido jars with a capacity of 102.8, 137.3 or 165.0 fl.oz (3,4 or 5 litres) are perfect. Preserving in Fido jars is very easy.