Ball Wooden Wide Mouth lids are made with Acacia woodThese wooden lids form an airtight silicone seal with Ball jars, 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 decor in any room; natural acacia wood produces unique color variations within each lidIncludes 5 wooden lids (jars sold separately) that fit all Wide Mouth Ball jarsBPA-free; not safe for preserving; hand-wash only and clean well before use