Leifheit 1000ml Preserve Jar With Screw Lid Leifheit offers something new for making preserves every season. Only Leifheit offers guaranteed succcess with the finger test. If a jar is closed correctly, the lid will be sucked inwards and will not give way when pressed with a finger. You can then be sure that no mould will accumulate. Thanks to the special jar shape, the jar volume is used better than with round jars. Not suitable for fatty food products. Well-shaped, space-saving preserve jar Thanks to the special jar shape, the jar volume is used better than with round jars Not suitable for fatty food products Single jar dimensions 30.5cm x 22cm x 16.2cm