Premium Silicone Material: Constructed from high-quality, food-grade silicone, these lids provide a durable and flexible seal, ensuring airtight preservation for your contents. Versatile Compatibility: Engineered to perfectly fit WECK jars of various sizes, these lids offer a universal solution for sealing your favourite homemade jams, pickles, sauces, and more. Reusable and Eco-Friendly: Say goodbye to single-use plastic wraps or disposable lids. These silicone lids are reusable, helping you reduce waste and contribute to a more sustainable kitchen. Leak-Proof Seal: Prevent spills and leaks with the superior sealing capabilities of these lids. Whether you're transporting your jars or storing them on shelves, you can trust that your food will remain securely sealed. 60mm Fits: 080, 755, 760, 762, 902, 763, 764, 766, 905, 975, 995 100mm Fits: 738, 739, 740, 741, 742, 743, 744, 745, 776, 748, 974