Universal Fit for Most Jars: Each jar seal measures approximately 97mm outer diameter and 70mm inner diameter, making it compatible with most clip-top jars, mason jars, and wide-mouth glass jars from 0.35L to 2L. Food-Grade & Safe Materials: Made from high-quality, BPA-free food-grade silicone, these jar seals are non-toxic, odourless, and safe for storing all kinds of food, including jams, preserves, and dry goods. Excellent Airtight Performance: Designed to form a tight seal, these replacement jar gaskets help prevent leaks, air exposure, and contamination—perfect for long-term food storage or homemade preserves. Soft, Flexible & Easy to Install: The silicone construction is soft enough to stretch slightly, allowing easy installation on most jar lids. Simply press the seal into the lid groove to create a secure, airtight fit. Ideal for Kitchen Organisation: These silicone jar seals are suitable for replacing worn or damaged seals on storage jars used for fruit, vegetables, pickles, spices, or sauces—ideal for home kitchens, pantries, and preserves.