Black Vintage Reproduction Lids for Mason, Ball, Canning Jars (4 Pack, Regular Mouth) 4 Pack! Black Antique Reproduction Caps for *Regular Mouth* (2 3/8" internal diameter) Mason Jars. These distinguished primitive black lids will give your jars an antique look. Perfect for decorative and crafting uses, but not for food contact. They will fit over a flat canning lid. You can also use our silicone lid liners - they don't fit perfectly but they will make a leak proof seal. These heavy, high quality lids are made of painted steel. The finish includes intentional imperfections to give them an authentic antique look.