This is a set of 36 packs of Pur regular mouth canning lids, with each pack containing 12 individual lids, making a total of 432 lids in a case. The lids are made of metal, with a silver color and are suitable for canning supplies. The brand is Pur, and the model is PUR 432. These lids are perfect for those who want to can their own food and store it for future use. The product is new, and I ship fast.