Oil Rubbed Bronze Vintage Reproduction Lids for Mason, Ball, Canning Jars (4 Pack, Regular Mouth) 4 Antiqued Copper Reproduction Caps for *Regular Mouth* (2 3/8"" internal diameter) Mason Jars. These beautiful oil rubbed bronze / vintage copper 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 steel. The finish includes intentional imperfections to give them an authentic antique look.