If the pickling jars are not properly closed, the lid shrinks inwards due to the developed vacuum and does not give way under finger pressure.This ensures that no mould can develop.
- BPA free
- Not suitable for fatty food products
- Content: 12 jar lids
- Suitable replacements for Leifheit jamming jars
- Rust Proof metal
- Single product dimensions 8.3cm x 0.3cm x 8.3cm