Coperchi a bocca regolare per barattoli da muratore in vetro, usati per conserve, decapaggio, succo, marmellata,
Ball Regular Mouth Mason Canning Jar Lids. Lids only. No rings/bands. When canning, lid sealing material functionality is single-use only. Style Canning,Jar. Regular Mouth Mason jar lids create an airtight seal to keep food preserved.