What can you do with this swing top mason jar? Canning Preserve your favourite foods with our swing top mason jars. From jam to tomato sauce. Keep them fresh all year long. Usage: • not suitable for carbonated ingredient • for the vacuum inspection regularly check for a tight seal of the closures. Open the lock of the wire and make sure that the glass lid is tightly connected to the glass jar • clean the jars before using • steel and glass components are dishwasher safe • store pearl seals in a dark and dry environment at room temperature • before reusing the pearl seals, sterilise them for 2-3 minutes in boiling water • max. Thermal shock of 42°c - be careful with pouring hot and cold liquids Capacity - 1000ml Height – 190mm Diameter – 96/105mm Comes in a pack of 4 jars Capacity - 250ml Height – 90mm Diameter – 73/105mm Comes in a pack of 4 jars Capacity - 500ml Height – 143mm Diameter – 79/105mm Comes in a pack of 4 jars