Base metal of lids is tin-coated steel for corrosion protection. A white protective coating on the lids provides added corrosion protection and scratch resistance. Gasket is designed to seal under all canning conditions. Lids are not recommended for reuse.
- Item Features
- Regular Mouth Mason jar lids create an airtight seal to keep food preserved
- When canning, lid sealing material functionality is single-use only
- SureTight Lids seal up to 18 Months
- Includes 12 Mason jar lids (bands not included)
- BPA-free