Ball Leak-proof Storage Lids
These Ball leak-proof storage lids are available in both wide and regular mouth sizes and are designed to fit wide mouth and regular mouth canning jars. No more rusty lids!
Whether you are using a pressure cooker*, steam sterilizer or autoclave, these plastic canning jar lids are fully autoclavable and able to withstand repeated use under high temperatures. The leak-proof lids are BPA free and dishwasher safe! There are 6 lids in each box.
*Not to be used for home canning or preserving. Ball states this on the product because there is no rubber seal. For mushroom growers, the seal is not needed.