Product features of Canning Jar 1.5 L with Lid 86mm - Set of 6 - Quattro Stagioni - Bormioli Rocco ST_UOSOZUC0:
The peculiarity of the 1.5 L canning jars resides in the mastic within the capsule, a thicker and more elastic mastic than normal mastics. It in fact has the characteristic of being permeable to gases and impermeable to liquids.