Set of 42 transparent glass octagonal preserving jars with metal lids. - Quantity: 42 - Diameter: 57mm - Height: 79mm - Lid Material: Metal - Shape: Octagonal - Transparency: Transparent glass I used to make jam for personal use and gifts. I no longer make it, so I am selling these. They are unused, but please wash them thoroughly before use. They will be packed in the cardboard box shown in the photo. Thank you for looking.