Without some form of gasket, mason jar plastic lids are not airtight. Quality Reliable Products Mason Jar Food Grade BPA Free Silicone Seals fit snug into the roof of the plastic lids and are wide enough that they won’t fall out while placing the lid on the jar. Our reliable seals provide a perfect airtight, anaerobic enclosure while …
Without some form of gasket, mason jar plastic lids are not airtight. Quality Reliable Products Mason Jar Food Grade BPA Free Silicone Seals fit snug into the roof of the plastic lids and are wide enough that they won’t fall out while placing the lid on the jar. Our reliable seals provide a perfect airtight, anaerobic enclosure while …
Without some form of gasket, mason jar plastic lids are not airtight. Quality Reliable Products Mason Jar Food Grade BPA Free Silicone Seals fit snug into the roof of the plastic lids and are wide enough that they won’t fall out while placing the lid on the jar. Our reliable seals provide a perfect airtight, anaerobic enclosure while …