50 Mini Mould 12 jars w/ glass lids, 12 rings, & 24 clamps opening 60 mm volume 1.69 fluid ounces, box 5 _ X8 _ X 6 7/8, weight 1.8kg Other Advantages:.Wide easy to fill jars.Glass lids that will not rust.Seals that are easy to cheque at a glance.Easy open jars (no can opener needed).Easy stack jars for convenient, space saving storage.Accompanying plastic lids for refrigerator storage.Wide openings making for easy cleanup.Glass is microwave safe.Attractive, fun, decorative shapes nice enough for table use.Juice jars make pouring easier