Keep your preserves safe and fresh, with these Kilner wax discs. These wax discs sit inside the lid of your jar to form an airtight seal, which keeps your preserves fresher for longer and cuts down on wastage. Crafted from natural wax, you can eliminate anything unnatural from getting into your preserves and ensure a top-quality product every time. These discs are an essential part of your home-preserving equipment, from iconic and trusted brand Kilner.