KitchenCraft Home Made Wax Discs for 1lb Jars - Pack of 200 Prevent mould from forming on your preserves with these Waxed Discs. Suitable for jars with a maximum capacity of 454ml/1lb, these discs are placed on the surface of the cooling jam or chutney to prevent mould from forming whilst the preserve is being stored. If you are looking for something smaller, Wax Discs for 2lb Jars arealso available Shop more fromHome MadebyKitchenCraft | KitchenCraft Home Made Wax Discs for Jars Pack of 200 in White, Size 1lb | Charlies