Ball Wooden Wide Mouth jar lids are made with Acacia woodThese wooden Ball jar lids feature an airtight silicone seal, making them perfect for dry foods and pantry storageEasy stacking with most Ball jars for cabinet and counter organizationStylish solution for dry foods, as well as décor in any roomIncludes 5 lids (jars sold separately) that fit all Wide Mouth Ball jars; BPA-free; not safe for preserving; hand-wash onlyNatural Acacia wood produces unique color variations within each lid