10 x Reusable Silicon Preserving Food Safe Seals Suit Ball Mason Stainless Steel Regular Mouth Lids. These are of the highest quality silicon and contain NO BPA (Bisphenol A).
*Note that the seals can come with extra slack. This does not impact the quality of the seal. These are designed to be used with our stainless steel lids but can be used with other 70mm screw top lids.