12 Pack – High quality 32 oz wide mouth mason jars with included 316 stainless steel storage lids. Designed for storing seeds, dry goods, spices, drinks on the go, fermentation, gifts, home décor, and more. Trellis + Co. lids are 30% thicker than normal lids so they can handle anything you can throw at them (or throw them at). Seriously, these things are beefcake.