Shop our range of replacement lids for preserving jars. We stock Ball mason jar lids, replacement Weck rubber rings and twist caps for basic glass jars and bottles you are likely to get with your supermarket shopping. It is highly recommended to use a new lid each time you preserve to ensure adequate seals form during heat processing. For glass bottles and jars you have leftover from supermarket purchases, it is a great idea to reuse these for your own preserves or as storage containers. In these cases, a new lid with not only ensure adequate sealing but also stop odours transferring to your food. You will also find our Keep Fresh and wooden Weck lids here too.