Ball jars are proudly made in the USA. The lids are free of BPA.
- We recommend using only Ball® or Kerr® brand lids. BPA-free, these brands offer the safest, most reliable results of any lid on the market. Foods sealed with SureTight lids can be safely stored for up to 18 months.
- Use a fresh lid every time to ensure your jars seal properly, safely preserving your food. After the first use, the lid will no longer seal effectively.
- Preheating lids is not required. After extensive testing by our Quality Assurance Team, we found that it is no longer necessary to pre-warm lids before use. While it is still safe to simmer your lids before use, you should never boil them.
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